20863740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{347729}}^1$

素因数の和:347741

約数の個数: 24

約数和(自身を含む): 58418640

約数和(自身を除く): 37554900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 347729, 695458, 1043187, 1390916, 1738645, 2086374, 3477290, 4172748, 5215935, 6954580, 10431870, 20863740]

約数ペア:

[(1, 20863740), (2, 10431870), (3, 6954580), (4, 5215935), (5, 4172748), (6, 3477290), (10, 2086374), (12, 1738645), (15, 1390916), (20, 1043187), (30, 695458), (60, 347729)]