20526640

素因数分解:

$2^4\times 5^1\times {\mathrm{379}}^1\times {\mathrm{677}}^1$

素因数の和:1069

約数の個数: 40

約数和(自身を含む): 47921040

約数和(自身を除く): 27394400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 379, 677, 758, 1354, 1516, 1895, 2708, 3032, 3385, 3790, 5416, 6064, 6770, 7580, 10832, 13540, 15160, 27080, 30320, 54160, 256583, 513166, 1026332, 1282915, 2052664, 2565830, 4105328, 5131660, 10263320, 20526640]

約数ペア:

[(1, 20526640), (2, 10263320), (4, 5131660), (5, 4105328), (8, 2565830), (10, 2052664), (16, 1282915), (20, 1026332), (40, 513166), (80, 256583), (379, 54160), (677, 30320), (758, 27080), (1354, 15160), (1516, 13540), (1895, 10832), (2708, 7580), (3032, 6770), (3385, 6064), (3790, 5416)]