20839713

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{2243}}^1$

素因数の和:2428

約数の個数: 16

約数和(自身を含む): 29441280

約数和(自身を除く): 8601567

約数列:

[1, 3, 19, 57, 163, 489, 2243, 3097, 6729, 9291, 42617, 127851, 365609, 1096827, 6946571, 20839713]

約数ペア:

[(1, 20839713), (3, 6946571), (19, 1096827), (57, 365609), (163, 127851), (489, 42617), (2243, 9291), (3097, 6729)]