20104309715

素因数分解:

$5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{766901}}^1$

素因数の和:767027

約数の個数: 24

約数和(自身を含む): 28326292272

約数和(自身を除く): 8221982557

約数列:

[1, 5, 7, 35, 49, 107, 245, 535, 749, 3745, 5243, 26215, 766901, 3834505, 5368307, 26841535, 37578149, 82058407, 187890745, 410292035, 574408849, 2872044245, 4020861943, 20104309715]

約数ペア:

[(1, 20104309715), (5, 4020861943), (7, 2872044245), (35, 574408849), (49, 410292035), (107, 187890745), (245, 82058407), (535, 37578149), (749, 26841535), (3745, 5368307), (5243, 3834505), (26215, 766901)]