20643524

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{6427}}^1$

素因数の和:6515

約数の個数: 24

約数和(自身を含む): 39956448

約数和(自身を除く): 19312924

約数列:

[1, 2, 4, 11, 22, 44, 73, 146, 292, 803, 1606, 3212, 6427, 12854, 25708, 70697, 141394, 282788, 469171, 938342, 1876684, 5160881, 10321762, 20643524]

約数ペア:

[(1, 20643524), (2, 10321762), (4, 5160881), (11, 1876684), (22, 938342), (44, 469171), (73, 282788), (146, 141394), (292, 70697), (803, 25708), (1606, 12854), (3212, 6427)]