20585522

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{1061}}^1$

素因数の和:1261

約数の個数: 16

約数和(自身を含む): 31541400

約数和(自身を除く): 10955878

約数列:

[1, 2, 89, 109, 178, 218, 1061, 2122, 9701, 19402, 94429, 115649, 188858, 231298, 10292761, 20585522]

約数ペア:

[(1, 20585522), (2, 10292761), (89, 231298), (109, 188858), (178, 115649), (218, 94429), (1061, 19402), (2122, 9701)]