16367920

素因数分解:

$2^4\times 5^1\times {\mathrm{204599}}^1$

素因数の和:204612

約数の個数: 20

約数和(自身を含む): 38055600

約数和(自身を除く): 21687680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 204599, 409198, 818396, 1022995, 1636792, 2045990, 3273584, 4091980, 8183960, 16367920]

約数ペア:

[(1, 16367920), (2, 8183960), (4, 4091980), (5, 3273584), (8, 2045990), (10, 1636792), (16, 1022995), (20, 818396), (40, 409198), (80, 204599)]