20258631

素因数分解:

$3^2\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:415

約数の個数: 24

約数和(自身を含む): 29961360

約数和(自身を除く): 9702729

約数列:

[1, 3, 9, 107, 109, 193, 321, 327, 579, 963, 981, 1737, 11663, 20651, 21037, 34989, 61953, 63111, 104967, 185859, 189333, 2250959, 6752877, 20258631]

約数ペア:

[(1, 20258631), (3, 6752877), (9, 2250959), (107, 189333), (109, 185859), (193, 104967), (321, 63111), (327, 61953), (579, 34989), (963, 21037), (981, 20651), (1737, 11663)]