20108016020

素因数分解:

$2^2\times 5^1\times {\mathrm{2137}}^1\times {\mathrm{470473}}^1$

素因数の和:472619

約数の個数: 24

約数和(自身を含む): 42246683304

約数和(自身を除く): 22138667284

約数列:

[1, 2, 4, 5, 10, 20, 2137, 4274, 8548, 10685, 21370, 42740, 470473, 940946, 1881892, 2352365, 4704730, 9409460, 1005400801, 2010801602, 4021603204, 5027004005, 10054008010, 20108016020]

約数ペア:

[(1, 20108016020), (2, 10054008010), (4, 5027004005), (5, 4021603204), (10, 2010801602), (20, 1005400801), (2137, 9409460), (4274, 4704730), (8548, 2352365), (10685, 1881892), (21370, 940946), (42740, 470473)]