Question

I'm a factor of 20 but not a multiple of 5

Answer 1

Factor of 20: 1, 2, 4, 5, 10, 20
Multiple of 5: 5, 10, 15, 20, 25, ...

1, 2, and 4 are factors of 20 but are not multiples of 5.

Answer 2

2 is a factor of 20 and not a multiple of 5