20405310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{680177}}^1$

素因数の和:680187

約数の個数: 16

約数和(自身を含む): 48972816

約数和(自身を除く): 28567506

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 680177, 1360354, 2040531, 3400885, 4081062, 6801770, 10202655, 20405310]

約数ペア:

[(1, 20405310), (2, 10202655), (3, 6801770), (5, 4081062), (6, 3400885), (10, 2040531), (15, 1360354), (30, 680177)]