20704426

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{2837}}^1$

素因数の和:2969

約数の個数: 16

約数和(自身を含む): 32182920

約数和(自身を除く): 11478494

約数列:

[1, 2, 41, 82, 89, 178, 2837, 3649, 5674, 7298, 116317, 232634, 252493, 504986, 10352213, 20704426]

約数ペア:

[(1, 20704426), (2, 10352213), (41, 504986), (82, 252493), (89, 232634), (178, 116317), (2837, 7298), (3649, 5674)]