20215214900

素因数分解:

$2^2\times 5^2\times {\mathrm{3541}}^1\times {\mathrm{57089}}^1$

素因数の和:60644

約数の個数: 36

約数和(自身を含む): 43880173260

約数和(自身を除く): 23664958360

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 3541, 7082, 14164, 17705, 35410, 57089, 70820, 88525, 114178, 177050, 228356, 285445, 354100, 570890, 1141780, 1427225, 2854450, 5708900, 202152149, 404304298, 808608596, 1010760745, 2021521490, 4043042980, 5053803725, 10107607450, 20215214900]

約数ペア:

[(1, 20215214900), (2, 10107607450), (4, 5053803725), (5, 4043042980), (10, 2021521490), (20, 1010760745), (25, 808608596), (50, 404304298), (100, 202152149), (3541, 5708900), (7082, 2854450), (14164, 1427225), (17705, 1141780), (35410, 570890), (57089, 354100), (70820, 285445), (88525, 228356), (114178, 177050)]