20586645

素因数分解:

$3^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1471}}^1$

素因数の和:1793

約数の個数: 24

約数和(自身を含む): 35822592

約数和(自身を除く): 15235947

約数列:

[1, 3, 5, 9, 15, 45, 311, 933, 1471, 1555, 2799, 4413, 4665, 7355, 13239, 13995, 22065, 66195, 457481, 1372443, 2287405, 4117329, 6862215, 20586645]

約数ペア:

[(1, 20586645), (3, 6862215), (5, 4117329), (9, 2287405), (15, 1372443), (45, 457481), (311, 66195), (933, 22065), (1471, 13995), (1555, 13239), (2799, 7355), (4413, 4665)]