20106207

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:564

約数の個数: 36

約数和(自身を含む): 32851000

約数和(自身を除く): 12744793

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 121, 333, 363, 407, 499, 1089, 1221, 1497, 3663, 4477, 4491, 5489, 13431, 16467, 18463, 40293, 49401, 55389, 60379, 166167, 181137, 203093, 543411, 609279, 1827837, 2234023, 6702069, 20106207]

約数ペア:

[(1, 20106207), (3, 6702069), (9, 2234023), (11, 1827837), (33, 609279), (37, 543411), (99, 203093), (111, 181137), (121, 166167), (333, 60379), (363, 55389), (407, 49401), (499, 40293), (1089, 18463), (1221, 16467), (1497, 13431), (3663, 5489), (4477, 4491)]