20676969

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2003}}^1$

素因数の和:2077

約数の個数: 24

約数和(自身を含む): 31679232

約数和(自身を除く): 11002263

約数列:

[1, 3, 9, 31, 37, 93, 111, 279, 333, 1147, 2003, 3441, 6009, 10323, 18027, 62093, 74111, 186279, 222333, 558837, 666999, 2297441, 6892323, 20676969]

約数ペア:

[(1, 20676969), (3, 6892323), (9, 2297441), (31, 666999), (37, 558837), (93, 222333), (111, 186279), (279, 74111), (333, 62093), (1147, 18027), (2003, 10323), (3441, 6009)]