20100565820

素因数分解:

$2^2\times 5^1\times {\mathrm{26513}}^1\times {\mathrm{37907}}^1$

素因数の和:64429

約数の個数: 24

約数和(自身を含む): 42213893904

約数和(自身を除く): 22113328084

約数列:

[1, 2, 4, 5, 10, 20, 26513, 37907, 53026, 75814, 106052, 132565, 151628, 189535, 265130, 379070, 530260, 758140, 1005028291, 2010056582, 4020113164, 5025141455, 10050282910, 20100565820]

約数ペア:

[(1, 20100565820), (2, 10050282910), (4, 5025141455), (5, 4020113164), (10, 2010056582), (20, 1005028291), (26513, 758140), (37907, 530260), (53026, 379070), (75814, 265130), (106052, 189535), (132565, 151628)]