20639428992

素因数分解:

$2^7\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:176

約数の個数: 1024

約数和(自身を含む): 81156096000

約数和(自身を除く): 60516667008

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 27, 28, 29, 31, 32, 36, 39, 42, 48, 52, 54, 56, 58, 62, 63, 64, 72, 73, 78, 84, 87, 91, 93, 96, 104, 108, 112, 116, 117, 124, 126, 128, 144, 146, 156, 168, 174, 182, 186, 189, 192, 203, 208, 216, 217, 219, 224, 232, 234, 248, 252, 261, 273, 279, 288, 292, 312, 336, 348, 351, 364, 372, 377, 378, 384, 403, 406, 416, 432, 434, 438, 448, 464, 468, 496, 504, 511, 522, 546, 558, 576, 584, 609, 624, 651, 657, 672, 696, 702, 728, 744, 754, 756, 783, 806, 812, 819, 832, 837, 864, 868, 876, 896, 899, 928, 936, 949, 992, 1008, 1022, 1044, 1092, 1116, 1131, 1152, 1168, 1209, 1218, 1248, 1302, 1314, 1344, 1392, 1404, 1456, 1488, 1508, 1512, 1533, 1566, 1612, 1624, 1638, 1664, 1674, 1728, 1736, 1752, 1798, 1827, 1856, 1872, 1898, 1953, 1971, 1984, 2016, 2044, 2088, 2117, 2184, 2232, 2262, 2263, 2336, 2418, 2436, 2457, 2496, 2604, 2628, 2639, 2688, 2697, 2784, 2808, 2821, 2847, 2912, 2976, 3016, 3024, 3066, 3132, 3224, 3248, 3276, 3348, 3393, 3456, 3472, 3504, 3596, 3627, 3654, 3712, 3744, 3796, 3906, 3942, 3968, 4032, 4088, 4176, 4234, 4368, 4464, 4524, 4526, 4599, 4672, 4836, 4872, 4914, 4992, 5208, 5256, 5278, 5394, 5481, 5568, 5616, 5642, 5694, 5824, 5859, 5952, 6032, 6048, 6132, 6264, 6293, 6351, 6448, 6496, 6552, 6643, 6696, 6786, 6789, 6944, 7008, 7192, 7254, 7308, 7488, 7592, 7812, 7884, 7917, 8064, 8091, 8176, 8352, 8463, 8468, 8541, 8736, 8928, 9048, 9052, 9198, 9344, 9672, 9744, 9828, 10179, 10416, 10512, 10556, 10788, 10881, 10962, 11136, 11232, 11284, 11388, 11648, 11687, 11718, 11904, 12064, 12096, 12264, 12528, 12586, 12702, 12896, 12992, 13104, 13286, 13392, 13572, 13578, 13797, 13888, 14016, 14384, 14508, 14616, 14819, 14976, 15184, 15624, 15768, 15834, 15841, 16182, 16352, 16704, 16926, 16936, 17082, 17472, 17856, 18096, 18104, 18396, 18879, 19053, 19344, 19488, 19656, 19929, 20358, 20367, 20832, 21024, 21112, 21576, 21762, 21924, 22464, 22568, 22776, 23374, 23436, 23751, 24128, 24192, 24273, 24528, 25056, 25172, 25389, 25404, 25623, 25792, 25984, 26208, 26572, 26784, 27144, 27156, 27521, 27594, 27776, 28032, 28768, 29016, 29232, 29419, 29638, 30368, 31248, 31536, 31668, 31682, 32364, 32704, 33408, 33852, 33872, 34164, 34944, 35061, 35712, 36192, 36208, 36792, 37758, 38106, 38688, 38976, 39312, 39858, 40716, 40734, 41664, 42048, 42224, 43152, 43524, 43848, 44457, 44928, 45136, 45552, 46748, 46872, 47502, 47523, 48256, 48546, 49056, 50112, 50344, 50778, 50808, 51246, 51584, 52416, 53144, 53568, 54288, 54312, 55042, 55188, 56637, 57159, 57536, 58032, 58464, 58838, 59276, 59787, 60736, 61101, 62496, 63072, 63336, 63364, 64728, 65408, 65627, 67704, 67744, 68328, 70122, 71253, 72384, 72416, 73584, 75516, 76167, 76212, 77376, 77952, 78624, 79716, 81432, 81468, 81809, 82563, 83328, 84096, 84448, 86304, 87048, 87696, 88257, 88914, 90272, 91104, 93496, 93744, 95004, 95046, 97092, 98112, 100224, 100688, 101556, 101616, 102492, 104832, 105183, 106288, 107136, 108576, 108624, 110084, 110376, 113274, 114318, 115072, 116064, 116928, 117676, 118552, 119574, 121472, 122202, 124992, 126144, 126672, 126728, 129456, 131254, 133371, 135408, 135488, 136656, 140244, 142506, 142569, 144768, 144832, 147168, 151032, 152334, 152424, 154752, 157248, 159432, 162864, 162936, 163618, 165126, 168896, 169911, 172608, 174096, 175392, 176514, 177828, 179361, 180544, 182208, 186992, 187488, 190008, 190092, 192647, 194184, 196224, 196881, 201376, 203112, 203232, 204984, 205933, 210366, 212576, 217152, 217248, 220168, 220752, 226548, 228636, 232128, 233856, 235352, 237104, 239148, 244404, 245427, 247689, 249984, 252288, 253344, 253456, 258912, 262508, 264771, 266742, 270816, 270976, 273312, 280488, 285012, 285138, 289664, 294336, 302064, 304668, 304848, 314496, 315549, 318864, 325728, 325872, 327236, 330252, 337792, 339822, 345216, 348192, 350784, 353028, 355656, 358722, 361088, 364416, 373984, 374976, 380016, 380184, 385294, 388368, 393762, 400113, 402752, 406224, 406464, 409968, 411866, 420732, 425152, 427707, 434304, 434496, 440336, 441504, 453096, 457272, 459389, 464256, 470704, 474208, 478296, 488808, 490854, 495378, 506688, 506912, 517824, 525016, 529542, 533484, 541632, 546624, 560976, 570024, 570276, 577941, 588672, 590643, 604128, 609336, 609696, 617799, 631098, 637728, 651456, 651744, 654472, 660504, 679644, 696384, 701568, 706056, 711312, 717444, 736281, 743067, 747968, 749952, 760032, 760368, 770588, 776736, 787524, 794313, 800226, 805504, 812448, 812928, 819936, 823732, 841464, 850304, 853151, 855414, 868992, 880672, 883008, 906192, 914544, 918778, 941408, 948416, 956592, 977616, 981708, 990756, 1013376, 1013824, 1035648, 1050032, 1059084, 1066968, 1083264, 1093248, 1121952, 1140048, 1140552, 1155882, 1181286, 1208256, 1218672, 1219392, 1235598, 1262196, 1275456, 1302912, 1303488, 1308944, 1321008, 1359288, 1378167, 1392768, 1412112, 1422624, 1434888, 1472562, 1486134, 1495936, 1520064, 1520736, 1541176, 1553472, 1575048, 1588626, 1600452, 1624896, 1639872, 1647464, 1682928, 1706302, 1710828, 1733823, 1761344, 1766016, 1771929, 1812384, 1829088, 1837556, 1853397, 1882816, 1896832, 1913184, 1955232, 1963416, 1981512, 2027648, 2100064, 2118168, 2133936, 2208843, 2243904, 2280096, 2281104, 2311764, 2362572, 2416512, 2437344, 2438784, 2471196, 2524392, 2550912, 2559453, 2606976, 2617888, 2642016, 2718576, 2756334, 2824224, 2845248, 2869776, 2945124, 2972268, 3040128, 3041472, 3082352, 3106944, 3150096, 3177252, 3200904, 3249792, 3279744, 3294928, 3365856, 3412604, 3421656, 3467646, 3522688, 3543858, 3624768, 3658176, 3675112, 3706794, 3765632, 3826368, 3910464, 3926832, 3963024, 4134501, 4200128, 4236336, 4267872, 4417686, 4487808, 4560192, 4562208, 4623528, 4725144, 4874688, 4942392, 5048784, 5118906, 5201469, 5235776, 5284032, 5437152, 5512668, 5560191, 5648448, 5690496, 5739552, 5890248, 5944536, 5972057, 6082944, 6164704, 6300192, 6354504, 6401808, 6589856, 6731712, 6825208, 6843312, 6935292, 7087716, 7249536, 7316352, 7350224, 7413588, 7652736, 7678359, 7820928, 7853664, 7926048, 8269002, 8400256, 8472672, 8535744, 8835372, 9120384, 9124416, 9247056, 9450288, 9749376, 9884784, 10097568, 10237812, 10402938, 10471552, 10568064, 10874304, 11025336, 11120382, 11296896, 11479104, 11780496, 11889072, 11944114, 12329408, 12403503, 12600384, 12709008, 12803616, 13179712, 13463424, 13650416, 13686624, 13870584, 14175432, 14700448, 14827176, 15356718, 15707328, 15852096, 16538004, 16945344, 17071488, 17670744, 17916171, 18248832, 18494112, 18900576, 19769568, 20195136, 20475624, 20805876, 21748608, 22050672, 22240764, 22958208, 23035077, 23560992, 23778144, 23888228, 24658816, 24807006, 25200768, 25418016, 25607232, 26359424, 27300832, 27373248, 27741168, 28350864, 29400896, 29654352, 30713436, 31414656, 31704192, 33076008, 33890688, 35341488, 35832342, 36988224, 37801152, 39539136, 40390272, 40951248, 41611752, 44101344, 44481528, 46070154, 47121984, 47556288, 47776456, 49614012, 50836032, 51214464, 53748513, 54601664, 54746496, 55482336, 56701728, 58801792, 59308704, 61426872, 66152016, 70682976, 71664684, 73976448, 75602304, 79078272, 81902496, 83223504, 88202688, 88963056, 92140308, 94243968, 95112576, 95552912, 99228024, 101672064, 107497026, 109203328, 110964672, 113403456, 118617408, 122853744, 132304032, 141365952, 143329368, 161245539, 163804992, 166447008, 176405376, 177926112, 184280616, 191105824, 198456048, 214994052, 221929344, 226806912, 237234816, 245707488, 264608064, 282731904, 286658736, 322491078, 327609984, 332894016, 355852224, 368561232, 382211648, 396912096, 429988104, 491414976, 529216128, 573317472, 644982156, 665788032, 711704448, 737122464, 764423296, 793824192, 859976208, 982829952, 1146634944, 1289964312, 1474244928, 1587648384, 1719952416, 2293269888, 2579928624, 2948489856, 3439904832, 5159857248, 6879809664, 10319714496, 20639428992]

約数ペア:

[(1, 20639428992), (2, 10319714496), (3, 6879809664), (4, 5159857248), (6, 3439904832), (7, 2948489856), (8, 2579928624), (9, 2293269888), (12, 1719952416), (13, 1587648384), (14, 1474244928), (16, 1289964312), (18, 1146634944), (21, 982829952), (24, 859976208), (26, 793824192), (27, 764423296), (28, 737122464), (29, 711704448), (31, 665788032), (32, 644982156), (36, 573317472), (39, 529216128), (42, 491414976), (48, 429988104), (52, 396912096), (54, 382211648), (56, 368561232), (58, 355852224), (62, 332894016), (63, 327609984), (64, 322491078), (72, 286658736), (73, 282731904), (78, 264608064), (84, 245707488), (87, 237234816), (91, 226806912), (93, 221929344), (96, 214994052), (104, 198456048), (108, 191105824), (112, 184280616), (116, 177926112), (117, 176405376), (124, 166447008), (126, 163804992), (128, 161245539), (144, 143329368), (146, 141365952), (156, 132304032), (168, 122853744), (174, 118617408), (182, 113403456), (186, 110964672), (189, 109203328), (192, 107497026), (203, 101672064), (208, 99228024), (216, 95552912), (217, 95112576), (219, 94243968), (224, 92140308), (232, 88963056), (234, 88202688), (248, 83223504), (252, 81902496), (261, 79078272), (273, 75602304), (279, 73976448), (288, 71664684), (292, 70682976), (312, 66152016), (336, 61426872), (348, 59308704), (351, 58801792), (364, 56701728), (372, 55482336), (377, 54746496), (378, 54601664), (384, 53748513), (403, 51214464), (406, 50836032), (416, 49614012), (432, 47776456), (434, 47556288), (438, 47121984), (448, 46070154), (464, 44481528), (468, 44101344), (496, 41611752), (504, 40951248), (511, 40390272), (522, 39539136), (546, 37801152), (558, 36988224), (576, 35832342), (584, 35341488), (609, 33890688), (624, 33076008), (651, 31704192), (657, 31414656), (672, 30713436), (696, 29654352), (702, 29400896), (728, 28350864), (744, 27741168), (754, 27373248), (756, 27300832), (783, 26359424), (806, 25607232), (812, 25418016), (819, 25200768), (832, 24807006), (837, 24658816), (864, 23888228), (868, 23778144), (876, 23560992), (896, 23035077), (899, 22958208), (928, 22240764), (936, 22050672), (949, 21748608), (992, 20805876), (1008, 20475624), (1022, 20195136), (1044, 19769568), (1092, 18900576), (1116, 18494112), (1131, 18248832), (1152, 17916171), (1168, 17670744), (1209, 17071488), (1218, 16945344), (1248, 16538004), (1302, 15852096), (1314, 15707328), (1344, 15356718), (1392, 14827176), (1404, 14700448), (1456, 14175432), (1488, 13870584), (1508, 13686624), (1512, 13650416), (1533, 13463424), (1566, 13179712), (1612, 12803616), (1624, 12709008), (1638, 12600384), (1664, 12403503), (1674, 12329408), (1728, 11944114), (1736, 11889072), (1752, 11780496), (1798, 11479104), (1827, 11296896), (1856, 11120382), (1872, 11025336), (1898, 10874304), (1953, 10568064), (1971, 10471552), (1984, 10402938), (2016, 10237812), (2044, 10097568), (2088, 9884784), (2117, 9749376), (2184, 9450288), (2232, 9247056), (2262, 9124416), (2263, 9120384), (2336, 8835372), (2418, 8535744), (2436, 8472672), (2457, 8400256), (2496, 8269002), (2604, 7926048), (2628, 7853664), (2639, 7820928), (2688, 7678359), (2697, 7652736), (2784, 7413588), (2808, 7350224), (2821, 7316352), (2847, 7249536), (2912, 7087716), (2976, 6935292), (3016, 6843312), (3024, 6825208), (3066, 6731712), (3132, 6589856), (3224, 6401808), (3248, 6354504), (3276, 6300192), (3348, 6164704), (3393, 6082944), (3456, 5972057), (3472, 5944536), (3504, 5890248), (3596, 5739552), (3627, 5690496), (3654, 5648448), (3712, 5560191), (3744, 5512668), (3796, 5437152), (3906, 5284032), (3942, 5235776), (3968, 5201469), (4032, 5118906), (4088, 5048784), (4176, 4942392), (4234, 4874688), (4368, 4725144), (4464, 4623528), (4524, 4562208), (4526, 4560192), (4599, 4487808), (4672, 4417686), (4836, 4267872), (4872, 4236336), (4914, 4200128), (4992, 4134501), (5208, 3963024), (5256, 3926832), (5278, 3910464), (5394, 3826368), (5481, 3765632), (5568, 3706794), (5616, 3675112), (5642, 3658176), (5694, 3624768), (5824, 3543858), (5859, 3522688), (5952, 3467646), (6032, 3421656), (6048, 3412604), (6132, 3365856), (6264, 3294928), (6293, 3279744), (6351, 3249792), (6448, 3200904), (6496, 3177252), (6552, 3150096), (6643, 3106944), (6696, 3082352), (6786, 3041472), (6789, 3040128), (6944, 2972268), (7008, 2945124), (7192, 2869776), (7254, 2845248), (7308, 2824224), (7488, 2756334), (7592, 2718576), (7812, 2642016), (7884, 2617888), (7917, 2606976), (8064, 2559453), (8091, 2550912), (8176, 2524392), (8352, 2471196), (8463, 2438784), (8468, 2437344), (8541, 2416512), (8736, 2362572), (8928, 2311764), (9048, 2281104), (9052, 2280096), (9198, 2243904), (9344, 2208843), (9672, 2133936), (9744, 2118168), (9828, 2100064), (10179, 2027648), (10416, 1981512), (10512, 1963416), (10556, 1955232), (10788, 1913184), (10881, 1896832), (10962, 1882816), (11136, 1853397), (11232, 1837556), (11284, 1829088), (11388, 1812384), (11648, 1771929), (11687, 1766016), (11718, 1761344), (11904, 1733823), (12064, 1710828), (12096, 1706302), (12264, 1682928), (12528, 1647464), (12586, 1639872), (12702, 1624896), (12896, 1600452), (12992, 1588626), (13104, 1575048), (13286, 1553472), (13392, 1541176), (13572, 1520736), (13578, 1520064), (13797, 1495936), (13888, 1486134), (14016, 1472562), (14384, 1434888), (14508, 1422624), (14616, 1412112), (14819, 1392768), (14976, 1378167), (15184, 1359288), (15624, 1321008), (15768, 1308944), (15834, 1303488), (15841, 1302912), (16182, 1275456), (16352, 1262196), (16704, 1235598), (16926, 1219392), (16936, 1218672), (17082, 1208256), (17472, 1181286), (17856, 1155882), (18096, 1140552), (18104, 1140048), (18396, 1121952), (18879, 1093248), (19053, 1083264), (19344, 1066968), (19488, 1059084), (19656, 1050032), (19929, 1035648), (20358, 1013824), (20367, 1013376), (20832, 990756), (21024, 981708), (21112, 977616), (21576, 956592), (21762, 948416), (21924, 941408), (22464, 918778), (22568, 914544), (22776, 906192), (23374, 883008), (23436, 880672), (23751, 868992), (24128, 855414), (24192, 853151), (24273, 850304), (24528, 841464), (25056, 823732), (25172, 819936), (25389, 812928), (25404, 812448), (25623, 805504), (25792, 800226), (25984, 794313), (26208, 787524), (26572, 776736), (26784, 770588), (27144, 760368), (27156, 760032), (27521, 749952), (27594, 747968), (27776, 743067), (28032, 736281), (28768, 717444), (29016, 711312), (29232, 706056), (29419, 701568), (29638, 696384), (30368, 679644), (31248, 660504), (31536, 654472), (31668, 651744), (31682, 651456), (32364, 637728), (32704, 631098), (33408, 617799), (33852, 609696), (33872, 609336), (34164, 604128), (34944, 590643), (35061, 588672), (35712, 577941), (36192, 570276), (36208, 570024), (36792, 560976), (37758, 546624), (38106, 541632), (38688, 533484), (38976, 529542), (39312, 525016), (39858, 517824), (40716, 506912), (40734, 506688), (41664, 495378), (42048, 490854), (42224, 488808), (43152, 478296), (43524, 474208), (43848, 470704), (44457, 464256), (44928, 459389), (45136, 457272), (45552, 453096), (46748, 441504), (46872, 440336), (47502, 434496), (47523, 434304), (48256, 427707), (48546, 425152), (49056, 420732), (50112, 411866), (50344, 409968), (50778, 406464), (50808, 406224), (51246, 402752), (51584, 400113), (52416, 393762), (53144, 388368), (53568, 385294), (54288, 380184), (54312, 380016), (55042, 374976), (55188, 373984), (56637, 364416), (57159, 361088), (57536, 358722), (58032, 355656), (58464, 353028), (58838, 350784), (59276, 348192), (59787, 345216), (60736, 339822), (61101, 337792), (62496, 330252), (63072, 327236), (63336, 325872), (63364, 325728), (64728, 318864), (65408, 315549), (65627, 314496), (67704, 304848), (67744, 304668), (68328, 302064), (70122, 294336), (71253, 289664), (72384, 285138), (72416, 285012), (73584, 280488), (75516, 273312), (76167, 270976), (76212, 270816), (77376, 266742), (77952, 264771), (78624, 262508), (79716, 258912), (81432, 253456), (81468, 253344), (81809, 252288), (82563, 249984), (83328, 247689), (84096, 245427), (84448, 244404), (86304, 239148), (87048, 237104), (87696, 235352), (88257, 233856), (88914, 232128), (90272, 228636), (91104, 226548), (93496, 220752), (93744, 220168), (95004, 217248), (95046, 217152), (97092, 212576), (98112, 210366), (100224, 205933), (100688, 204984), (101556, 203232), (101616, 203112), (102492, 201376), (104832, 196881), (105183, 196224), (106288, 194184), (107136, 192647), (108576, 190092), (108624, 190008), (110084, 187488), (110376, 186992), (113274, 182208), (114318, 180544), (115072, 179361), (116064, 177828), (116928, 176514), (117676, 175392), (118552, 174096), (119574, 172608), (121472, 169911), (122202, 168896), (124992, 165126), (126144, 163618), (126672, 162936), (126728, 162864), (129456, 159432), (131254, 157248), (133371, 154752), (135408, 152424), (135488, 152334), (136656, 151032), (140244, 147168), (142506, 144832), (142569, 144768)]