20804973145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{924871}}^1$

素因数の和:925296

約数の個数: 16

約数和(自身を含む): 27302221440

約数和(自身を除く): 6497248295

約数列:

[1, 5, 11, 55, 409, 2045, 4499, 22495, 924871, 4624355, 10173581, 50867905, 378272239, 1891361195, 4160994629, 20804973145]

約数ペア:

[(1, 20804973145), (5, 4160994629), (11, 1891361195), (55, 378272239), (409, 50867905), (2045, 10173581), (4499, 4624355), (22495, 924871)]