20047556

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{2609}}^1$

素因数の和:2743

約数の個数: 24

約数和(自身を含む): 37490040

約数和(自身を除く): 17442484

約数列:

[1, 2, 4, 17, 34, 68, 113, 226, 452, 1921, 2609, 3842, 5218, 7684, 10436, 44353, 88706, 177412, 294817, 589634, 1179268, 5011889, 10023778, 20047556]

約数ペア:

[(1, 20047556), (2, 10023778), (4, 5011889), (17, 1179268), (34, 589634), (68, 294817), (113, 177412), (226, 88706), (452, 44353), (1921, 10436), (2609, 7684), (3842, 5218)]