20157201212

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{2137}}^1\times {\mathrm{32303}}^1$

素因数の和:34517

約数の個数: 24

約数和(自身を含む): 35776163136

約数和(自身を除く): 15618961924

約数列:

[1, 2, 4, 73, 146, 292, 2137, 4274, 8548, 32303, 64606, 129212, 156001, 312002, 624004, 2358119, 4716238, 9432476, 69031511, 138063022, 276126044, 5039300303, 10078600606, 20157201212]

約数ペア:

[(1, 20157201212), (2, 10078600606), (4, 5039300303), (73, 276126044), (146, 138063022), (292, 69031511), (2137, 9432476), (4274, 4716238), (8548, 2358119), (32303, 624004), (64606, 312002), (129212, 156001)]