20843595

素因数分解:

$3^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1499}}^1$

素因数の和:1616

約数の個数: 32

約数和(自身を含む): 37440000

約数和(自身を除く): 16596405

約数列:

[1, 3, 5, 9, 15, 27, 45, 103, 135, 309, 515, 927, 1499, 1545, 2781, 4497, 4635, 7495, 13491, 13905, 22485, 40473, 67455, 154397, 202365, 463191, 771985, 1389573, 2315955, 4168719, 6947865, 20843595]

約数ペア:

[(1, 20843595), (3, 6947865), (5, 4168719), (9, 2315955), (15, 1389573), (27, 771985), (45, 463191), (103, 202365), (135, 154397), (309, 67455), (515, 40473), (927, 22485), (1499, 13905), (1545, 13491), (2781, 7495), (4497, 4635)]