20104681961

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1\times {\mathrm{521}}^1$

素因数の和:846

約数の個数: 64

約数和(自身を含む): 26266705920

約数和(自身を除く): 6162023959

約数列:

[1, 7, 13, 23, 91, 103, 161, 179, 299, 521, 721, 1253, 1339, 2093, 2327, 2369, 3647, 4117, 6773, 9373, 11983, 16289, 16583, 18437, 28819, 30797, 47411, 53521, 53663, 83881, 93259, 129059, 155779, 215579, 239681, 374647, 375641, 424051, 652813, 697619, 1090453, 1212367, 1234249, 1677767, 2144957, 2968357, 4883333, 5512663, 8486569, 8639743, 9605677, 15014699, 16045237, 27884441, 38588641, 67239739, 112316659, 124873801, 195191087, 220930571, 874116607, 1546513997, 2872097423, 20104681961]

約数ペア:

[(1, 20104681961), (7, 2872097423), (13, 1546513997), (23, 874116607), (91, 220930571), (103, 195191087), (161, 124873801), (179, 112316659), (299, 67239739), (521, 38588641), (721, 27884441), (1253, 16045237), (1339, 15014699), (2093, 9605677), (2327, 8639743), (2369, 8486569), (3647, 5512663), (4117, 4883333), (6773, 2968357), (9373, 2144957), (11983, 1677767), (16289, 1234249), (16583, 1212367), (18437, 1090453), (28819, 697619), (30797, 652813), (47411, 424051), (53521, 375641), (53663, 374647), (83881, 239681), (93259, 215579), (129059, 155779)]