20921440512

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{857}}^1$

素因数の和:1141

約数の個数: 288

約数和(自身を含む): 67344076800

約数和(自身を除く): 46422636288

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 42, 48, 56, 57, 64, 76, 84, 96, 112, 114, 128, 133, 152, 168, 192, 224, 228, 239, 256, 266, 304, 336, 384, 399, 448, 456, 478, 532, 608, 672, 717, 768, 798, 857, 896, 912, 956, 1064, 1216, 1344, 1434, 1596, 1673, 1714, 1792, 1824, 1912, 2128, 2432, 2571, 2688, 2868, 3192, 3346, 3428, 3648, 3824, 4256, 4541, 4864, 5019, 5142, 5376, 5736, 5999, 6384, 6692, 6856, 7296, 7648, 8512, 9082, 10038, 10284, 11472, 11998, 12768, 13384, 13623, 13712, 14592, 15296, 16283, 17024, 17997, 18164, 20076, 20568, 22944, 23996, 25536, 26768, 27246, 27424, 30592, 31787, 32566, 34048, 35994, 36328, 40152, 41136, 45888, 47992, 48849, 51072, 53536, 54492, 54848, 61184, 63574, 65132, 71988, 72656, 80304, 82272, 91776, 95361, 95984, 97698, 102144, 107072, 108984, 109696, 113981, 127148, 130264, 143976, 145312, 160608, 164544, 183552, 190722, 191968, 195396, 204823, 214144, 217968, 219392, 227962, 254296, 260528, 287952, 290624, 321216, 329088, 341943, 381444, 383936, 390792, 409646, 428288, 435936, 455924, 508592, 521056, 575904, 581248, 614469, 642432, 658176, 683886, 762888, 767872, 781584, 819292, 871872, 911848, 1017184, 1042112, 1151808, 1162496, 1228938, 1284864, 1367772, 1433761, 1525776, 1535744, 1563168, 1638584, 1743744, 1823696, 2034368, 2084224, 2303616, 2457876, 2735544, 2867522, 3051552, 3126336, 3277168, 3487488, 3647392, 3891637, 4068736, 4168448, 4301283, 4607232, 4915752, 5471088, 5735044, 6103104, 6252672, 6554336, 7294784, 7783274, 8137472, 8602566, 9831504, 10942176, 11470088, 11674911, 12206208, 12505344, 13108672, 14589568, 15566548, 17205132, 19663008, 21884352, 22940176, 23349822, 24412416, 26217344, 27241459, 29179136, 31133096, 34410264, 39326016, 43768704, 45880352, 46699644, 52434688, 54482918, 62266192, 68820528, 78652032, 81724377, 87537408, 91760704, 93399288, 108965836, 124532384, 137641056, 157304064, 163448754, 183521408, 186798576, 217931672, 249064768, 275282112, 326897508, 367042816, 373597152, 435863344, 498129536, 550564224, 653795016, 747194304, 871726688, 996259072, 1101128448, 1307590032, 1494388608, 1743453376, 2615180064, 2988777216, 3486906752, 5230360128, 6973813504, 10460720256, 20921440512]

約数ペア:

[(1, 20921440512), (2, 10460720256), (3, 6973813504), (4, 5230360128), (6, 3486906752), (7, 2988777216), (8, 2615180064), (12, 1743453376), (14, 1494388608), (16, 1307590032), (19, 1101128448), (21, 996259072), (24, 871726688), (28, 747194304), (32, 653795016), (38, 550564224), (42, 498129536), (48, 435863344), (56, 373597152), (57, 367042816), (64, 326897508), (76, 275282112), (84, 249064768), (96, 217931672), (112, 186798576), (114, 183521408), (128, 163448754), (133, 157304064), (152, 137641056), (168, 124532384), (192, 108965836), (224, 93399288), (228, 91760704), (239, 87537408), (256, 81724377), (266, 78652032), (304, 68820528), (336, 62266192), (384, 54482918), (399, 52434688), (448, 46699644), (456, 45880352), (478, 43768704), (532, 39326016), (608, 34410264), (672, 31133096), (717, 29179136), (768, 27241459), (798, 26217344), (857, 24412416), (896, 23349822), (912, 22940176), (956, 21884352), (1064, 19663008), (1216, 17205132), (1344, 15566548), (1434, 14589568), (1596, 13108672), (1673, 12505344), (1714, 12206208), (1792, 11674911), (1824, 11470088), (1912, 10942176), (2128, 9831504), (2432, 8602566), (2571, 8137472), (2688, 7783274), (2868, 7294784), (3192, 6554336), (3346, 6252672), (3428, 6103104), (3648, 5735044), (3824, 5471088), (4256, 4915752), (4541, 4607232), (4864, 4301283), (5019, 4168448), (5142, 4068736), (5376, 3891637), (5736, 3647392), (5999, 3487488), (6384, 3277168), (6692, 3126336), (6856, 3051552), (7296, 2867522), (7648, 2735544), (8512, 2457876), (9082, 2303616), (10038, 2084224), (10284, 2034368), (11472, 1823696), (11998, 1743744), (12768, 1638584), (13384, 1563168), (13623, 1535744), (13712, 1525776), (14592, 1433761), (15296, 1367772), (16283, 1284864), (17024, 1228938), (17997, 1162496), (18164, 1151808), (20076, 1042112), (20568, 1017184), (22944, 911848), (23996, 871872), (25536, 819292), (26768, 781584), (27246, 767872), (27424, 762888), (30592, 683886), (31787, 658176), (32566, 642432), (34048, 614469), (35994, 581248), (36328, 575904), (40152, 521056), (41136, 508592), (45888, 455924), (47992, 435936), (48849, 428288), (51072, 409646), (53536, 390792), (54492, 383936), (54848, 381444), (61184, 341943), (63574, 329088), (65132, 321216), (71988, 290624), (72656, 287952), (80304, 260528), (82272, 254296), (91776, 227962), (95361, 219392), (95984, 217968), (97698, 214144), (102144, 204823), (107072, 195396), (108984, 191968), (109696, 190722), (113981, 183552), (127148, 164544), (130264, 160608), (143976, 145312)]