20404768135

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{2085311}}^1$

素因数の和:2085438

約数の個数: 16

約数和(自身を含む): 26024693760

約数和(自身を除く): 5619925625

約数列:

[1, 5, 19, 95, 103, 515, 1957, 9785, 2085311, 10426555, 39620909, 198104545, 214787033, 1073935165, 4080953627, 20404768135]

約数ペア:

[(1, 20404768135), (5, 4080953627), (19, 1073935165), (95, 214787033), (103, 198104545), (515, 39620909), (1957, 10426555), (9785, 2085311)]