20806137

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{7247}}^1$

素因数の和:7293

約数の個数: 24

約数和(自身を含む): 33920640

約数和(自身を除く): 13114503

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 261, 319, 957, 2871, 7247, 21741, 65223, 79717, 210163, 239151, 630489, 717453, 1891467, 2311793, 6935379, 20806137]

約数ペア:

[(1, 20806137), (3, 6935379), (9, 2311793), (11, 1891467), (29, 717453), (33, 630489), (87, 239151), (99, 210163), (261, 79717), (319, 65223), (957, 21741), (2871, 7247)]