20648240928

素因数分解:

$2^5\times 3^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{15733}}^1$

素因数の和:15797

約数の個数: 288

約数和(自身を含む): 72321016320

約数和(自身を除く): 51672775392

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 31, 32, 36, 42, 48, 49, 54, 56, 62, 63, 72, 84, 93, 96, 98, 108, 112, 124, 126, 144, 147, 168, 186, 189, 196, 216, 217, 224, 248, 252, 279, 288, 294, 336, 372, 378, 392, 432, 434, 441, 496, 504, 558, 588, 651, 672, 744, 756, 784, 837, 864, 868, 882, 992, 1008, 1116, 1176, 1302, 1323, 1488, 1512, 1519, 1568, 1674, 1736, 1764, 1953, 2016, 2232, 2352, 2604, 2646, 2976, 3024, 3038, 3348, 3472, 3528, 3906, 4464, 4557, 4704, 5208, 5292, 5859, 6048, 6076, 6696, 6944, 7056, 7812, 8928, 9114, 10416, 10584, 11718, 12152, 13392, 13671, 14112, 15624, 15733, 18228, 20832, 21168, 23436, 24304, 26784, 27342, 31248, 31466, 36456, 41013, 42336, 46872, 47199, 48608, 54684, 62496, 62932, 72912, 82026, 93744, 94398, 109368, 110131, 125864, 141597, 145824, 164052, 187488, 188796, 218736, 220262, 251728, 283194, 328104, 330393, 377592, 424791, 437472, 440524, 487723, 503456, 566388, 656208, 660786, 755184, 770917, 849582, 881048, 975446, 991179, 1132776, 1312416, 1321572, 1463169, 1510368, 1541834, 1699164, 1762096, 1950892, 1982358, 2265552, 2312751, 2643144, 2926338, 2973537, 3083668, 3398328, 3414061, 3524192, 3901784, 3964716, 4389507, 4531104, 4625502, 5286288, 5852676, 5947074, 6167336, 6796656, 6828122, 6938253, 7803568, 7929432, 8779014, 9251004, 10242183, 10572576, 11705352, 11894148, 12334672, 13168521, 13593312, 13656244, 13876506, 15607136, 15858864, 17558028, 18502008, 20484366, 20814759, 23410704, 23788296, 23898427, 24669344, 26337042, 27312488, 27753012, 30726549, 31717728, 35116056, 37004016, 40968732, 41629518, 46821408, 47576592, 47796854, 52674084, 54624976, 55506024, 61453098, 70232112, 71695281, 74008032, 81937464, 83259036, 92179647, 95153184, 95593708, 105348168, 109249952, 111012048, 122906196, 140464224, 143390562, 163874928, 166518072, 184359294, 191187416, 210696336, 215085843, 222024096, 245812392, 286781124, 327749856, 333036144, 368718588, 382374832, 421392672, 430171686, 491624784, 573562248, 645257529, 666072288, 737437176, 764749664, 860343372, 983249568, 1147124496, 1290515058, 1474874352, 1720686744, 2294248992, 2581030116, 2949748704, 3441373488, 5162060232, 6882746976, 10324120464, 20648240928]

約数ペア:

[(1, 20648240928), (2, 10324120464), (3, 6882746976), (4, 5162060232), (6, 3441373488), (7, 2949748704), (8, 2581030116), (9, 2294248992), (12, 1720686744), (14, 1474874352), (16, 1290515058), (18, 1147124496), (21, 983249568), (24, 860343372), (27, 764749664), (28, 737437176), (31, 666072288), (32, 645257529), (36, 573562248), (42, 491624784), (48, 430171686), (49, 421392672), (54, 382374832), (56, 368718588), (62, 333036144), (63, 327749856), (72, 286781124), (84, 245812392), (93, 222024096), (96, 215085843), (98, 210696336), (108, 191187416), (112, 184359294), (124, 166518072), (126, 163874928), (144, 143390562), (147, 140464224), (168, 122906196), (186, 111012048), (189, 109249952), (196, 105348168), (216, 95593708), (217, 95153184), (224, 92179647), (248, 83259036), (252, 81937464), (279, 74008032), (288, 71695281), (294, 70232112), (336, 61453098), (372, 55506024), (378, 54624976), (392, 52674084), (432, 47796854), (434, 47576592), (441, 46821408), (496, 41629518), (504, 40968732), (558, 37004016), (588, 35116056), (651, 31717728), (672, 30726549), (744, 27753012), (756, 27312488), (784, 26337042), (837, 24669344), (864, 23898427), (868, 23788296), (882, 23410704), (992, 20814759), (1008, 20484366), (1116, 18502008), (1176, 17558028), (1302, 15858864), (1323, 15607136), (1488, 13876506), (1512, 13656244), (1519, 13593312), (1568, 13168521), (1674, 12334672), (1736, 11894148), (1764, 11705352), (1953, 10572576), (2016, 10242183), (2232, 9251004), (2352, 8779014), (2604, 7929432), (2646, 7803568), (2976, 6938253), (3024, 6828122), (3038, 6796656), (3348, 6167336), (3472, 5947074), (3528, 5852676), (3906, 5286288), (4464, 4625502), (4557, 4531104), (4704, 4389507), (5208, 3964716), (5292, 3901784), (5859, 3524192), (6048, 3414061), (6076, 3398328), (6696, 3083668), (6944, 2973537), (7056, 2926338), (7812, 2643144), (8928, 2312751), (9114, 2265552), (10416, 1982358), (10584, 1950892), (11718, 1762096), (12152, 1699164), (13392, 1541834), (13671, 1510368), (14112, 1463169), (15624, 1321572), (15733, 1312416), (18228, 1132776), (20832, 991179), (21168, 975446), (23436, 881048), (24304, 849582), (26784, 770917), (27342, 755184), (31248, 660786), (31466, 656208), (36456, 566388), (41013, 503456), (42336, 487723), (46872, 440524), (47199, 437472), (48608, 424791), (54684, 377592), (62496, 330393), (62932, 328104), (72912, 283194), (82026, 251728), (93744, 220262), (94398, 218736), (109368, 188796), (110131, 187488), (125864, 164052), (141597, 145824)]