20938126

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:360

約数の個数: 32

約数和(自身を含む): 35562240

約数和(自身を除く): 14624114

約数列:

[1, 2, 11, 22, 41, 82, 139, 167, 278, 334, 451, 902, 1529, 1837, 3058, 3674, 5699, 6847, 11398, 13694, 23213, 46426, 62689, 75317, 125378, 150634, 255343, 510686, 951733, 1903466, 10469063, 20938126]

約数ペア:

[(1, 20938126), (2, 10469063), (11, 1903466), (22, 951733), (41, 510686), (82, 255343), (139, 150634), (167, 125378), (278, 75317), (334, 62689), (451, 46426), (902, 23213), (1529, 13694), (1837, 11398), (3058, 6847), (3674, 5699)]