20177876355

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{863}}^1\times {\mathrm{2447}}^1$

素因数の和:3345

約数の個数: 96

約数和(自身を含む): 40507858944

約数和(自身を除く): 20329982589

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 49, 65, 91, 105, 147, 195, 245, 273, 455, 637, 735, 863, 1365, 1911, 2447, 2589, 3185, 4315, 6041, 7341, 9555, 11219, 12235, 12945, 17129, 18123, 30205, 31811, 33657, 36705, 42287, 51387, 56095, 78533, 85645, 90615, 95433, 119903, 126861, 159055, 168285, 211435, 222677, 235599, 256935, 359709, 392665, 477165, 549731, 599515, 634305, 668031, 1113385, 1177995, 1558739, 1649193, 1798545, 2111761, 2748655, 3340155, 4676217, 6335283, 7793695, 8245965, 10558805, 14782327, 23381085, 27452893, 31676415, 44346981, 73911635, 82358679, 103476289, 137264465, 192170251, 221734905, 310428867, 411793395, 517381445, 576510753, 960851255, 1345191757, 1552144335, 2882553765, 4035575271, 6725958785, 20177876355]

約数ペア:

[(1, 20177876355), (3, 6725958785), (5, 4035575271), (7, 2882553765), (13, 1552144335), (15, 1345191757), (21, 960851255), (35, 576510753), (39, 517381445), (49, 411793395), (65, 310428867), (91, 221734905), (105, 192170251), (147, 137264465), (195, 103476289), (245, 82358679), (273, 73911635), (455, 44346981), (637, 31676415), (735, 27452893), (863, 23381085), (1365, 14782327), (1911, 10558805), (2447, 8245965), (2589, 7793695), (3185, 6335283), (4315, 4676217), (6041, 3340155), (7341, 2748655), (9555, 2111761), (11219, 1798545), (12235, 1649193), (12945, 1558739), (17129, 1177995), (18123, 1113385), (30205, 668031), (31811, 634305), (33657, 599515), (36705, 549731), (42287, 477165), (51387, 392665), (56095, 359709), (78533, 256935), (85645, 235599), (90615, 222677), (95433, 211435), (119903, 168285), (126861, 159055)]