20187718467

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1949939}}^1$

素因数の和:1949995

約数の個数: 32

約数和(自身を含む): 33694963200

約数和(自身を除く): 13507244733

約数列:

[1, 3, 7, 17, 21, 29, 51, 87, 119, 203, 357, 493, 609, 1479, 3451, 10353, 1949939, 5849817, 13649573, 33148963, 40948719, 56548231, 99446889, 169644693, 232042741, 395837617, 696128223, 961319927, 1187512851, 2883959781, 6729239489, 20187718467]

約数ペア:

[(1, 20187718467), (3, 6729239489), (7, 2883959781), (17, 1187512851), (21, 961319927), (29, 696128223), (51, 395837617), (87, 232042741), (119, 169644693), (203, 99446889), (357, 56548231), (493, 40948719), (609, 33148963), (1479, 13649573), (3451, 5849817), (10353, 1949939)]