20643048376

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{829}}^1\times {\mathrm{24509}}^1$

素因数の和:25471

約数の個数: 32

約数和(自身を含む): 39059136000

約数和(自身を除く): 18416087624

約数列:

[1, 2, 4, 8, 127, 254, 508, 829, 1016, 1658, 3316, 6632, 24509, 49018, 98036, 105283, 196072, 210566, 421132, 842264, 3112643, 6225286, 12450572, 20317961, 24901144, 40635922, 81271844, 162543688, 2580381047, 5160762094, 10321524188, 20643048376]

約数ペア:

[(1, 20643048376), (2, 10321524188), (4, 5160762094), (8, 2580381047), (127, 162543688), (254, 81271844), (508, 40635922), (829, 24901144), (1016, 20317961), (1658, 12450572), (3316, 6225286), (6632, 3112643), (24509, 842264), (49018, 421132), (98036, 210566), (105283, 196072)]