20505016

素因数分解:

$2^3\times 7^1\times {\mathrm{366161}}^1$

素因数の和:366174

約数の個数: 16

約数和(自身を含む): 43939440

約数和(自身を除く): 23434424

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 366161, 732322, 1464644, 2563127, 2929288, 5126254, 10252508, 20505016]

約数ペア:

[(1, 20505016), (2, 10252508), (4, 5126254), (7, 2929288), (8, 2563127), (14, 1464644), (28, 732322), (56, 366161)]