20123510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{16631}}^1$

素因数の和:16660

約数の個数: 24

約数和(自身を含む): 39817008

約数和(自身を除く): 19693498

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 16631, 33262, 83155, 166310, 182941, 365882, 914705, 1829410, 2012351, 4024702, 10061755, 20123510]

約数ペア:

[(1, 20123510), (2, 10061755), (5, 4024702), (10, 2012351), (11, 1829410), (22, 914705), (55, 365882), (110, 182941), (121, 166310), (242, 83155), (605, 33262), (1210, 16631)]