20408730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{680291}}^1$

素因数の和:680301

約数の個数: 16

約数和(自身を含む): 48981024

約数和(自身を除く): 28572294

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 680291, 1360582, 2040873, 3401455, 4081746, 6802910, 10204365, 20408730]

約数ペア:

[(1, 20408730), (2, 10204365), (3, 6802910), (5, 4081746), (6, 3401455), (10, 2040873), (15, 1360582), (30, 680291)]