20527940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{35393}}^1$

素因数の和:35431

約数の個数: 24

約数和(自身を含む): 44596440

約数和(自身を除く): 24068500

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 35393, 70786, 141572, 176965, 353930, 707860, 1026397, 2052794, 4105588, 5131985, 10263970, 20527940]

約数ペア:

[(1, 20527940), (2, 10263970), (4, 5131985), (5, 4105588), (10, 2052794), (20, 1026397), (29, 707860), (58, 353930), (116, 176965), (145, 141572), (290, 70786), (580, 35393)]