20502361

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:237

約数の個数: 24

約数和(自身を含む): 24131520

約数和(自身を除く): 3629159

約数列:

[1, 11, 23, 53, 121, 139, 253, 583, 1219, 1529, 2783, 3197, 6413, 7367, 13409, 16819, 35167, 81037, 147499, 169441, 386837, 891407, 1863851, 20502361]

約数ペア:

[(1, 20502361), (11, 1863851), (23, 891407), (53, 386837), (121, 169441), (139, 147499), (253, 81037), (583, 35167), (1219, 16819), (1529, 13409), (2783, 7367), (3197, 6413)]