20138041781

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1\times {\mathrm{757}}^1$

素因数の和:1182

約数の個数: 64

約数和(自身を含む): 25965950976

約数和(自身を除く): 5827909195

約数列:

[1, 11, 13, 17, 31, 143, 187, 221, 341, 353, 403, 527, 757, 2431, 3883, 4433, 4589, 5797, 6001, 6851, 8327, 9841, 10943, 12869, 23467, 50479, 66011, 75361, 78013, 108251, 120373, 141559, 142259, 167297, 186031, 258137, 267221, 305071, 398939, 858143, 1564849, 1840267, 2046341, 2418403, 2939431, 3355781, 3473873, 4388329, 4542757, 5186207, 8283851, 26602433, 38212603, 49970327, 57048277, 59055841, 91122361, 107690063, 140825467, 649614251, 1184590693, 1549080137, 1830731071, 20138041781]

約数ペア:

[(1, 20138041781), (11, 1830731071), (13, 1549080137), (17, 1184590693), (31, 649614251), (143, 140825467), (187, 107690063), (221, 91122361), (341, 59055841), (353, 57048277), (403, 49970327), (527, 38212603), (757, 26602433), (2431, 8283851), (3883, 5186207), (4433, 4542757), (4589, 4388329), (5797, 3473873), (6001, 3355781), (6851, 2939431), (8327, 2418403), (9841, 2046341), (10943, 1840267), (12869, 1564849), (23467, 858143), (50479, 398939), (66011, 305071), (75361, 267221), (78013, 258137), (108251, 186031), (120373, 167297), (141559, 142259)]