20003760

素因数分解:

$2^4\times 3^6\times 5^1\times 7^3$

素因数の和:52

約数の個数: 280

約数和(自身を含む): 81319200

約数和(自身を除く): 61315440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 162, 168, 180, 189, 196, 210, 216, 240, 243, 245, 252, 270, 280, 294, 315, 324, 336, 343, 360, 378, 392, 405, 420, 432, 441, 486, 490, 504, 540, 560, 567, 588, 630, 648, 686, 720, 729, 735, 756, 784, 810, 840, 882, 945, 972, 980, 1008, 1029, 1080, 1134, 1176, 1215, 1260, 1296, 1323, 1372, 1458, 1470, 1512, 1620, 1680, 1701, 1715, 1764, 1890, 1944, 1960, 2058, 2160, 2205, 2268, 2352, 2430, 2520, 2646, 2744, 2835, 2916, 2940, 3024, 3087, 3240, 3402, 3430, 3528, 3645, 3780, 3888, 3920, 3969, 4116, 4410, 4536, 4860, 5040, 5103, 5145, 5292, 5488, 5670, 5832, 5880, 6174, 6480, 6615, 6804, 6860, 7056, 7290, 7560, 7938, 8232, 8505, 8820, 9072, 9261, 9720, 10206, 10290, 10584, 11340, 11664, 11760, 11907, 12348, 13230, 13608, 13720, 14580, 15120, 15435, 15876, 16464, 17010, 17640, 18522, 19440, 19845, 20412, 20580, 21168, 22680, 23814, 24696, 25515, 26460, 27216, 27440, 27783, 29160, 30870, 31752, 34020, 35280, 35721, 37044, 39690, 40824, 41160, 45360, 46305, 47628, 49392, 51030, 52920, 55566, 58320, 59535, 61740, 63504, 68040, 71442, 74088, 79380, 81648, 82320, 83349, 92610, 95256, 102060, 105840, 111132, 119070, 123480, 136080, 138915, 142884, 148176, 158760, 166698, 178605, 185220, 190512, 204120, 222264, 238140, 246960, 250047, 277830, 285768, 317520, 333396, 357210, 370440, 408240, 416745, 444528, 476280, 500094, 555660, 571536, 666792, 714420, 740880, 833490, 952560, 1000188, 1111320, 1250235, 1333584, 1428840, 1666980, 2000376, 2222640, 2500470, 2857680, 3333960, 4000752, 5000940, 6667920, 10001880, 20003760]

約数ペア:

[(1, 20003760), (2, 10001880), (3, 6667920), (4, 5000940), (5, 4000752), (6, 3333960), (7, 2857680), (8, 2500470), (9, 2222640), (10, 2000376), (12, 1666980), (14, 1428840), (15, 1333584), (16, 1250235), (18, 1111320), (20, 1000188), (21, 952560), (24, 833490), (27, 740880), (28, 714420), (30, 666792), (35, 571536), (36, 555660), (40, 500094), (42, 476280), (45, 444528), (48, 416745), (49, 408240), (54, 370440), (56, 357210), (60, 333396), (63, 317520), (70, 285768), (72, 277830), (80, 250047), (81, 246960), (84, 238140), (90, 222264), (98, 204120), (105, 190512), (108, 185220), (112, 178605), (120, 166698), (126, 158760), (135, 148176), (140, 142884), (144, 138915), (147, 136080), (162, 123480), (168, 119070), (180, 111132), (189, 105840), (196, 102060), (210, 95256), (216, 92610), (240, 83349), (243, 82320), (245, 81648), (252, 79380), (270, 74088), (280, 71442), (294, 68040), (315, 63504), (324, 61740), (336, 59535), (343, 58320), (360, 55566), (378, 52920), (392, 51030), (405, 49392), (420, 47628), (432, 46305), (441, 45360), (486, 41160), (490, 40824), (504, 39690), (540, 37044), (560, 35721), (567, 35280), (588, 34020), (630, 31752), (648, 30870), (686, 29160), (720, 27783), (729, 27440), (735, 27216), (756, 26460), (784, 25515), (810, 24696), (840, 23814), (882, 22680), (945, 21168), (972, 20580), (980, 20412), (1008, 19845), (1029, 19440), (1080, 18522), (1134, 17640), (1176, 17010), (1215, 16464), (1260, 15876), (1296, 15435), (1323, 15120), (1372, 14580), (1458, 13720), (1470, 13608), (1512, 13230), (1620, 12348), (1680, 11907), (1701, 11760), (1715, 11664), (1764, 11340), (1890, 10584), (1944, 10290), (1960, 10206), (2058, 9720), (2160, 9261), (2205, 9072), (2268, 8820), (2352, 8505), (2430, 8232), (2520, 7938), (2646, 7560), (2744, 7290), (2835, 7056), (2916, 6860), (2940, 6804), (3024, 6615), (3087, 6480), (3240, 6174), (3402, 5880), (3430, 5832), (3528, 5670), (3645, 5488), (3780, 5292), (3888, 5145), (3920, 5103), (3969, 5040), (4116, 4860), (4410, 4536)]