Factors of 20
Answer
Factors: 1, 2, 4, 5, 10, 20
Number of factors: 6
Factor pairs: (1, 20), (2, 10), (4, 5)
Prime Factorization
20 = 22 × 5
Properties
- This number is not prime
- This number is not a perfect square
- This is an even number
- Sum of all factors: 42
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Understanding the Factors of 20
When we look at the number 20, we find that it has 6 factors in total. These are the numbers that divide evenly into 20 with no remainder.
This number is composite, meaning it has more than two factors. It can be written as the product of its prime factors: 22 × 5.
Factor Pairs
The factors of 20 can be arranged in pairs: (1, 20), (2, 10), (4, 5). Each pair multiplies to give 20.