20645114

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^2\times {\mathrm{139}}^1$

素因数の和:354

約数の個数: 24

約数和(自身を含む): 35995680

約数和(自身を除く): 15350566

約数列:

[1, 2, 7, 14, 103, 139, 206, 278, 721, 973, 1442, 1946, 10609, 14317, 21218, 28634, 74263, 100219, 148526, 200438, 1474651, 2949302, 10322557, 20645114]

約数ペア:

[(1, 20645114), (2, 10322557), (7, 2949302), (14, 1474651), (103, 200438), (139, 148526), (206, 100219), (278, 74263), (721, 28634), (973, 21218), (1442, 14317), (1946, 10609)]