20514060

素因数分解:

$2^2\times 3^7\times 5^1\times 7^1\times {\mathrm{67}}^1$

素因数の和:104

約数の個数: 192

約数和(自身を含む): 74941440

約数和(自身を除く): 54427380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 67, 70, 81, 84, 90, 105, 108, 126, 134, 135, 140, 162, 180, 189, 201, 210, 243, 252, 268, 270, 315, 324, 335, 378, 402, 405, 420, 469, 486, 540, 567, 603, 630, 670, 729, 756, 804, 810, 938, 945, 972, 1005, 1134, 1206, 1215, 1260, 1340, 1407, 1458, 1620, 1701, 1809, 1876, 1890, 2010, 2187, 2268, 2345, 2412, 2430, 2814, 2835, 2916, 3015, 3402, 3618, 3645, 3780, 4020, 4221, 4374, 4690, 4860, 5103, 5427, 5628, 5670, 6030, 6804, 7035, 7236, 7290, 8442, 8505, 8748, 9045, 9380, 10206, 10854, 10935, 11340, 12060, 12663, 14070, 14580, 15309, 16281, 16884, 17010, 18090, 20412, 21105, 21708, 21870, 25326, 25515, 27135, 28140, 30618, 32562, 34020, 36180, 37989, 42210, 43740, 48843, 50652, 51030, 54270, 61236, 63315, 65124, 75978, 76545, 81405, 84420, 97686, 102060, 108540, 113967, 126630, 146529, 151956, 153090, 162810, 189945, 195372, 227934, 244215, 253260, 293058, 306180, 325620, 341901, 379890, 455868, 488430, 569835, 586116, 683802, 732645, 759780, 976860, 1025703, 1139670, 1367604, 1465290, 1709505, 2051406, 2279340, 2930580, 3419010, 4102812, 5128515, 6838020, 10257030, 20514060]

約数ペア:

[(1, 20514060), (2, 10257030), (3, 6838020), (4, 5128515), (5, 4102812), (6, 3419010), (7, 2930580), (9, 2279340), (10, 2051406), (12, 1709505), (14, 1465290), (15, 1367604), (18, 1139670), (20, 1025703), (21, 976860), (27, 759780), (28, 732645), (30, 683802), (35, 586116), (36, 569835), (42, 488430), (45, 455868), (54, 379890), (60, 341901), (63, 325620), (67, 306180), (70, 293058), (81, 253260), (84, 244215), (90, 227934), (105, 195372), (108, 189945), (126, 162810), (134, 153090), (135, 151956), (140, 146529), (162, 126630), (180, 113967), (189, 108540), (201, 102060), (210, 97686), (243, 84420), (252, 81405), (268, 76545), (270, 75978), (315, 65124), (324, 63315), (335, 61236), (378, 54270), (402, 51030), (405, 50652), (420, 48843), (469, 43740), (486, 42210), (540, 37989), (567, 36180), (603, 34020), (630, 32562), (670, 30618), (729, 28140), (756, 27135), (804, 25515), (810, 25326), (938, 21870), (945, 21708), (972, 21105), (1005, 20412), (1134, 18090), (1206, 17010), (1215, 16884), (1260, 16281), (1340, 15309), (1407, 14580), (1458, 14070), (1620, 12663), (1701, 12060), (1809, 11340), (1876, 10935), (1890, 10854), (2010, 10206), (2187, 9380), (2268, 9045), (2345, 8748), (2412, 8505), (2430, 8442), (2814, 7290), (2835, 7236), (2916, 7035), (3015, 6804), (3402, 6030), (3618, 5670), (3645, 5628), (3780, 5427), (4020, 5103), (4221, 4860), (4374, 4690)]