20536435940

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1531}}^1\times {\mathrm{5281}}^1$

素因数の和:6948

約数の個数: 48

約数和(自身を含む): 43502721024

約数和(自身を除く): 22966285084

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 1531, 2540, 3062, 5281, 6124, 7655, 10562, 15310, 21124, 26405, 30620, 52810, 105620, 194437, 388874, 670687, 777748, 972185, 1341374, 1944370, 2682748, 3353435, 3888740, 6706870, 8085211, 13413740, 16170422, 32340844, 40426055, 80852110, 161704220, 1026821797, 2053643594, 4107287188, 5134108985, 10268217970, 20536435940]

約数ペア:

[(1, 20536435940), (2, 10268217970), (4, 5134108985), (5, 4107287188), (10, 2053643594), (20, 1026821797), (127, 161704220), (254, 80852110), (508, 40426055), (635, 32340844), (1270, 16170422), (1531, 13413740), (2540, 8085211), (3062, 6706870), (5281, 3888740), (6124, 3353435), (7655, 2682748), (10562, 1944370), (15310, 1341374), (21124, 972185), (26405, 777748), (30620, 670687), (52810, 388874), (105620, 194437)]