No, 20 has six factors: 1, 2, 4, 5, 10 and 20.
16 has five factors.
5, 10, 15 and 20 have five as a factor. The number 16 has five factors.
16 has five factors.
16 has five factors.
16
1 and 5
1, 2, 5, 10, 20.
1 and 5
26, 36, 39, 52 and 78 are all factors of 468.
10 and 20, among others.
1 and 5, the GCF.
5, 10, and 20 are factors of 20 that are not also factors of 12.