20558820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{342647}}^1$

素因数の和:342659

約数の個数: 24

約数和(自身を含む): 57564864

約数和(自身を除く): 37006044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 342647, 685294, 1027941, 1370588, 1713235, 2055882, 3426470, 4111764, 5139705, 6852940, 10279410, 20558820]

約数ペア:

[(1, 20558820), (2, 10279410), (3, 6852940), (4, 5139705), (5, 4111764), (6, 3426470), (10, 2055882), (12, 1713235), (15, 1370588), (20, 1027941), (30, 685294), (60, 342647)]