20159388621

素因数分解:

$3^5\times {\mathrm{71}}^1\times {\mathrm{379}}^1\times {\mathrm{3083}}^1$

素因数の和:3548

約数の個数: 48

約数和(自身を含む): 30713679360

約数和(自身を除く): 10554290739

約数列:

[1, 3, 9, 27, 71, 81, 213, 243, 379, 639, 1137, 1917, 3083, 3411, 5751, 9249, 10233, 17253, 26909, 27747, 30699, 80727, 83241, 92097, 218893, 242181, 249723, 656679, 726543, 749169, 1168457, 1970037, 2179629, 3505371, 5910111, 6538887, 10516113, 17730333, 31548339, 53190999, 82960447, 94645017, 248881341, 283935051, 746644023, 2239932069, 6719796207, 20159388621]

約数ペア:

[(1, 20159388621), (3, 6719796207), (9, 2239932069), (27, 746644023), (71, 283935051), (81, 248881341), (213, 94645017), (243, 82960447), (379, 53190999), (639, 31548339), (1137, 17730333), (1917, 10516113), (3083, 6538887), (3411, 5910111), (5751, 3505371), (9249, 2179629), (10233, 1970037), (17253, 1168457), (26909, 749169), (27747, 726543), (30699, 656679), (80727, 249723), (83241, 242181), (92097, 218893)]