20393901

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1823}}^1$

素因数の和:1953

約数の個数: 24

約数和(自身を含む): 32438016

約数和(自身を除く): 12044115

約数列:

[1, 3, 9, 11, 33, 99, 113, 339, 1017, 1243, 1823, 3729, 5469, 11187, 16407, 20053, 60159, 180477, 205999, 617997, 1853991, 2265989, 6797967, 20393901]

約数ペア:

[(1, 20393901), (3, 6797967), (9, 2265989), (11, 1853991), (33, 617997), (99, 205999), (113, 180477), (339, 60159), (1017, 20053), (1243, 16407), (1823, 11187), (3729, 5469)]