20404792

素因数分解:

$2^3\times {\mathrm{509}}^1\times {\mathrm{5011}}^1$

素因数の和:5526

約数の個数: 16

約数和(自身を含む): 38341800

約数和(自身を除く): 17937008

約数列:

[1, 2, 4, 8, 509, 1018, 2036, 4072, 5011, 10022, 20044, 40088, 2550599, 5101198, 10202396, 20404792]

約数ペア:

[(1, 20404792), (2, 10202396), (4, 5101198), (8, 2550599), (509, 40088), (1018, 20044), (2036, 10022), (4072, 5011)]