20733740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{24109}}^1$

素因数の和:24161

約数の個数: 24

約数和(自身を含む): 44555280

約数和(自身を除く): 23821540

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 24109, 48218, 96436, 120545, 241090, 482180, 1036687, 2073374, 4146748, 5183435, 10366870, 20733740]

約数ペア:

[(1, 20733740), (2, 10366870), (4, 5183435), (5, 4146748), (10, 2073374), (20, 1036687), (43, 482180), (86, 241090), (172, 120545), (215, 96436), (430, 48218), (860, 24109)]