20480156

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{2657}}^1$

素因数の和:2749

約数の個数: 24

約数和(自身を含む): 37509696

約数和(自身を除く): 17029540

約数列:

[1, 2, 4, 41, 47, 82, 94, 164, 188, 1927, 2657, 3854, 5314, 7708, 10628, 108937, 124879, 217874, 249758, 435748, 499516, 5120039, 10240078, 20480156]

約数ペア:

[(1, 20480156), (2, 10240078), (4, 5120039), (41, 499516), (47, 435748), (82, 249758), (94, 217874), (164, 124879), (188, 108937), (1927, 10628), (2657, 7708), (3854, 5314)]