20323891

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{733}}^1$

素因数の和:990

約数の個数: 16

約数和(自身を含む): 24732864

約数和(自身を除く): 4408973

約数列:

[1, 7, 17, 119, 233, 733, 1631, 3961, 5131, 12461, 27727, 87227, 170789, 1195523, 2903413, 20323891]

約数ペア:

[(1, 20323891), (7, 2903413), (17, 1195523), (119, 170789), (233, 87227), (733, 27727), (1631, 12461), (3961, 5131)]