20065671106

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2551}}^1\times {\mathrm{4261}}^1$

素因数の和:6898

約数の個数: 32

約数和(自身を含む): 32890910976

約数和(自身を除く): 12825239870

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 2551, 4261, 5102, 8522, 33163, 55393, 66326, 110786, 181121, 302531, 362242, 605062, 2354573, 3932903, 4709146, 7865806, 10869811, 21739622, 141307543, 282615086, 771756581, 1543513162, 10032835553, 20065671106]

約数ペア:

[(1, 20065671106), (2, 10032835553), (13, 1543513162), (26, 771756581), (71, 282615086), (142, 141307543), (923, 21739622), (1846, 10869811), (2551, 7865806), (4261, 4709146), (5102, 3932903), (8522, 2354573), (33163, 605062), (55393, 362242), (66326, 302531), (110786, 181121)]