20678024

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{42373}}^1$

素因数の和:42440

約数の個数: 16

約数和(自身を含む): 39407820

約数和(自身を除く): 18729796

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 42373, 84746, 169492, 338984, 2584753, 5169506, 10339012, 20678024]

約数ペア:

[(1, 20678024), (2, 10339012), (4, 5169506), (8, 2584753), (61, 338984), (122, 169492), (244, 84746), (488, 42373)]