20639491036

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{227}}^1\times {\mathrm{78653}}^1$

素因数の和:78918

約数の個数: 36

約数和(自身を含む): 38538257688

約数和(自身を除く): 17898766652

約数列:

[1, 2, 4, 17, 34, 68, 227, 289, 454, 578, 908, 1156, 3859, 7718, 15436, 65603, 78653, 131206, 157306, 262412, 314612, 1337101, 2674202, 5348404, 17854231, 22730717, 35708462, 45461434, 71416924, 90922868, 303521927, 607043854, 1214087708, 5159872759, 10319745518, 20639491036]

約数ペア:

[(1, 20639491036), (2, 10319745518), (4, 5159872759), (17, 1214087708), (34, 607043854), (68, 303521927), (227, 90922868), (289, 71416924), (454, 45461434), (578, 35708462), (908, 22730717), (1156, 17854231), (3859, 5348404), (7718, 2674202), (15436, 1337101), (65603, 314612), (78653, 262412), (131206, 157306)]