20109740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{379}}^2$

素因数の和:774

約数の個数: 36

約数和(自身を含む): 48391056

約数和(自身を除く): 28281316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 379, 758, 1516, 1895, 2653, 3790, 5306, 7580, 10612, 13265, 26530, 53060, 143641, 287282, 574564, 718205, 1005487, 1436410, 2010974, 2872820, 4021948, 5027435, 10054870, 20109740]

約数ペア:

[(1, 20109740), (2, 10054870), (4, 5027435), (5, 4021948), (7, 2872820), (10, 2010974), (14, 1436410), (20, 1005487), (28, 718205), (35, 574564), (70, 287282), (140, 143641), (379, 53060), (758, 26530), (1516, 13265), (1895, 10612), (2653, 7580), (3790, 5306)]