20161971786

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{523987}}^1$

素因数の和:524067

約数の個数: 48

約数和(自身を含む): 45159381792

約数和(自身を除く): 24997410006

約数列:

[1, 2, 3, 6, 11, 22, 33, 53, 66, 106, 121, 159, 242, 318, 363, 583, 726, 1166, 1749, 3498, 6413, 12826, 19239, 38478, 523987, 1047974, 1571961, 3143922, 5763857, 11527714, 17291571, 27771311, 34583142, 55542622, 63402427, 83313933, 126804854, 166627866, 190207281, 305484421, 380414562, 610968842, 916453263, 1832906526, 3360328631, 6720657262, 10080985893, 20161971786]

約数ペア:

[(1, 20161971786), (2, 10080985893), (3, 6720657262), (6, 3360328631), (11, 1832906526), (22, 916453263), (33, 610968842), (53, 380414562), (66, 305484421), (106, 190207281), (121, 166627866), (159, 126804854), (242, 83313933), (318, 63402427), (363, 55542622), (583, 34583142), (726, 27771311), (1166, 17291571), (1749, 11527714), (3498, 5763857), (6413, 3143922), (12826, 1571961), (19239, 1047974), (38478, 523987)]