20146660

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{7247}}^1$

素因数の和:7395

約数の個数: 24

約数和(自身を含む): 42618240

約数和(自身を除く): 22471580

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 7247, 14494, 28988, 36235, 72470, 144940, 1007333, 2014666, 4029332, 5036665, 10073330, 20146660]

約数ペア:

[(1, 20146660), (2, 10073330), (4, 5036665), (5, 4029332), (10, 2014666), (20, 1007333), (139, 144940), (278, 72470), (556, 36235), (695, 28988), (1390, 14494), (2780, 7247)]