20314665

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:148

約数の個数: 96

約数和(自身を含む): 43666560

約数和(自身を除く): 23351895

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 37, 45, 49, 63, 83, 105, 111, 135, 147, 185, 189, 245, 249, 259, 315, 333, 415, 441, 555, 581, 735, 747, 777, 945, 999, 1245, 1295, 1323, 1665, 1743, 1813, 2205, 2241, 2331, 2905, 3071, 3735, 3885, 4067, 4995, 5229, 5439, 6615, 6993, 8715, 9065, 9213, 11205, 11655, 12201, 15355, 15687, 16317, 20335, 21497, 26145, 27195, 27639, 34965, 36603, 46065, 48951, 61005, 64491, 78435, 81585, 82917, 107485, 109809, 138195, 150479, 183015, 193473, 244755, 322455, 414585, 451437, 549045, 580419, 752395, 967365, 1354311, 2257185, 2902095, 4062933, 6771555, 20314665]

約数ペア:

[(1, 20314665), (3, 6771555), (5, 4062933), (7, 2902095), (9, 2257185), (15, 1354311), (21, 967365), (27, 752395), (35, 580419), (37, 549045), (45, 451437), (49, 414585), (63, 322455), (83, 244755), (105, 193473), (111, 183015), (135, 150479), (147, 138195), (185, 109809), (189, 107485), (245, 82917), (249, 81585), (259, 78435), (315, 64491), (333, 61005), (415, 48951), (441, 46065), (555, 36603), (581, 34965), (735, 27639), (747, 27195), (777, 26145), (945, 21497), (999, 20335), (1245, 16317), (1295, 15687), (1323, 15355), (1665, 12201), (1743, 11655), (1813, 11205), (2205, 9213), (2241, 9065), (2331, 8715), (2905, 6993), (3071, 6615), (3735, 5439), (3885, 5229), (4067, 4995)]