20759669

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{4057}}^1$

素因数の和:4124

約数の個数: 16

約数和(自身を含む): 25711488

約数和(自身を除く): 4951819

約数列:

[1, 7, 17, 43, 119, 301, 731, 4057, 5117, 28399, 68969, 174451, 482783, 1221157, 2965667, 20759669]

約数ペア:

[(1, 20759669), (7, 2965667), (17, 1221157), (43, 482783), (119, 174451), (301, 68969), (731, 28399), (4057, 5117)]