20774888

素因数分解:

$2^3\times {\mathrm{23}}^2\times {\mathrm{4909}}^1$

素因数の和:4961

約数の個数: 24

約数和(自身を含む): 40728450

約数和(自身を除く): 19953562

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 529, 1058, 2116, 4232, 4909, 9818, 19636, 39272, 112907, 225814, 451628, 903256, 2596861, 5193722, 10387444, 20774888]

約数ペア:

[(1, 20774888), (2, 10387444), (4, 5193722), (8, 2596861), (23, 903256), (46, 451628), (92, 225814), (184, 112907), (529, 39272), (1058, 19636), (2116, 9818), (4232, 4909)]