20346960740

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{6241399}}^1$

素因数の和:6241571

約数の個数: 24

約数和(自身を含む): 42990763200

約数和(自身を除く): 22643802460

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 6241399, 12482798, 24965596, 31206995, 62413990, 124827980, 1017348037, 2034696074, 4069392148, 5086740185, 10173480370, 20346960740]

約数ペア:

[(1, 20346960740), (2, 10173480370), (4, 5086740185), (5, 4069392148), (10, 2034696074), (20, 1017348037), (163, 124827980), (326, 62413990), (652, 31206995), (815, 24965596), (1630, 12482798), (3260, 6241399)]