20156078

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{1051}}^1$

素因数の和:1319

約数の個数: 16

約数和(自身を含む): 31105536

約数和(自身を除く): 10949458

約数列:

[1, 2, 43, 86, 223, 446, 1051, 2102, 9589, 19178, 45193, 90386, 234373, 468746, 10078039, 20156078]

約数ペア:

[(1, 20156078), (2, 10078039), (43, 468746), (86, 234373), (223, 90386), (446, 45193), (1051, 19178), (2102, 9589)]