20768986222

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1\times {\mathrm{25453}}^1$

素因数の和:25780

約数の個数: 32

約数和(自身を含む): 33263287200

約数和(自身を除く): 12494300978

約数列:

[1, 2, 19, 38, 109, 197, 218, 394, 2071, 3743, 4142, 7486, 21473, 25453, 42946, 50906, 407987, 483607, 815974, 967214, 2774377, 5014241, 5548754, 10028482, 52713163, 95270579, 105426326, 190541158, 546552269, 1093104538, 10384493111, 20768986222]

約数ペア:

[(1, 20768986222), (2, 10384493111), (19, 1093104538), (38, 546552269), (109, 190541158), (197, 105426326), (218, 95270579), (394, 52713163), (2071, 10028482), (3743, 5548754), (4142, 5014241), (7486, 2774377), (21473, 967214), (25453, 815974), (42946, 483607), (50906, 407987)]