20559866

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{2657}}^1$

素因数の和:2785

約数の個数: 16

約数和(自身を含む): 31864104

約数和(自身を除く): 11304238

約数列:

[1, 2, 53, 73, 106, 146, 2657, 3869, 5314, 7738, 140821, 193961, 281642, 387922, 10279933, 20559866]

約数ペア:

[(1, 20559866), (2, 10279933), (53, 387922), (73, 281642), (106, 193961), (146, 140821), (2657, 7738), (3869, 5314)]