20510291

素因数分解:

${\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{233}}^1$

素因数の和:406

約数の個数: 16

約数和(自身を含む): 22407840

約数和(自身を除く): 1897549

約数列:

[1, 19, 41, 113, 233, 779, 2147, 4427, 4633, 9553, 26329, 88027, 181507, 500251, 1079489, 20510291]

約数ペア:

[(1, 20510291), (19, 1079489), (41, 500251), (113, 181507), (233, 88027), (779, 26329), (2147, 9553), (4427, 4633)]