20418963840

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:216

約数の個数: 1024

約数和(自身を含む): 85660416000

約数和(自身を除く): 65241452160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 17, 18, 20, 22, 24, 27, 30, 32, 33, 34, 36, 40, 44, 45, 48, 51, 54, 55, 60, 64, 66, 68, 71, 72, 80, 85, 88, 89, 90, 96, 99, 102, 108, 110, 120, 128, 132, 135, 136, 142, 144, 153, 160, 165, 170, 176, 178, 180, 187, 192, 198, 204, 213, 216, 220, 240, 255, 264, 267, 270, 272, 284, 288, 297, 306, 320, 330, 340, 352, 355, 356, 360, 374, 384, 396, 408, 426, 432, 440, 445, 459, 480, 495, 510, 528, 534, 540, 544, 561, 568, 576, 594, 612, 639, 640, 660, 680, 704, 710, 712, 720, 748, 765, 781, 792, 801, 816, 852, 864, 880, 890, 918, 935, 960, 979, 990, 1020, 1056, 1065, 1068, 1080, 1088, 1122, 1136, 1152, 1188, 1207, 1224, 1278, 1320, 1335, 1360, 1408, 1420, 1424, 1440, 1485, 1496, 1513, 1530, 1562, 1584, 1602, 1632, 1683, 1704, 1728, 1760, 1780, 1836, 1870, 1917, 1920, 1958, 1980, 2040, 2112, 2130, 2136, 2160, 2176, 2244, 2272, 2295, 2343, 2376, 2403, 2414, 2448, 2556, 2640, 2670, 2720, 2805, 2840, 2848, 2880, 2937, 2970, 2992, 3026, 3060, 3124, 3168, 3195, 3204, 3264, 3366, 3408, 3456, 3520, 3560, 3621, 3672, 3740, 3834, 3905, 3916, 3960, 4005, 4080, 4224, 4260, 4272, 4320, 4488, 4539, 4544, 4590, 4686, 4752, 4806, 4828, 4895, 4896, 5049, 5112, 5280, 5340, 5440, 5610, 5680, 5696, 5760, 5874, 5940, 5984, 6035, 6052, 6120, 6248, 6319, 6336, 6390, 6408, 6528, 6732, 6816, 7029, 7040, 7120, 7242, 7344, 7480, 7565, 7668, 7810, 7832, 7920, 8010, 8160, 8415, 8520, 8544, 8640, 8811, 8976, 9078, 9088, 9180, 9372, 9504, 9585, 9612, 9656, 9790, 9792, 10098, 10224, 10560, 10680, 10863, 10880, 11220, 11360, 11392, 11715, 11748, 11880, 11968, 12015, 12070, 12104, 12240, 12496, 12638, 12672, 12780, 12816, 13277, 13464, 13617, 13632, 14058, 14240, 14484, 14685, 14688, 14960, 15130, 15336, 15620, 15664, 15840, 16020, 16320, 16643, 16830, 17040, 17088, 17280, 17622, 17952, 18105, 18156, 18360, 18744, 18957, 19008, 19170, 19224, 19312, 19580, 19584, 20196, 20448, 21087, 21120, 21360, 21726, 22440, 22695, 22720, 23430, 23496, 23760, 23936, 24030, 24140, 24208, 24480, 24992, 25245, 25276, 25560, 25632, 26433, 26554, 26928, 27234, 27264, 28116, 28480, 28968, 29370, 29376, 29920, 30260, 30672, 31240, 31328, 31595, 31680, 32040, 32589, 32640, 33286, 33660, 34080, 34176, 35145, 35244, 35904, 36210, 36312, 36720, 37488, 37914, 38016, 38340, 38448, 38624, 39160, 39831, 40392, 40851, 40896, 42174, 42720, 43452, 44055, 44880, 45390, 45440, 46860, 46992, 47520, 48060, 48280, 48416, 48960, 49929, 49984, 50490, 50552, 51120, 51264, 52866, 53108, 53856, 54315, 54468, 56232, 56871, 56960, 57936, 58740, 58752, 59840, 60520, 61344, 62480, 62656, 63190, 63360, 64080, 65178, 66385, 66572, 67320, 68085, 68160, 69509, 70290, 70488, 71808, 72420, 72624, 73440, 74976, 75828, 76680, 76896, 77248, 78320, 79662, 80784, 81702, 81792, 83215, 84348, 85440, 86904, 88110, 89760, 90780, 93720, 93984, 94785, 95040, 96120, 96560, 96832, 97920, 99858, 99968, 100980, 101104, 102240, 102528, 105435, 105732, 106216, 107423, 107712, 108630, 108936, 112464, 113742, 115872, 117480, 119493, 119680, 121040, 122688, 124960, 125312, 126380, 128160, 130356, 132165, 132770, 133144, 134640, 136170, 136320, 139018, 140580, 140976, 144840, 145248, 146880, 149787, 149952, 151656, 153360, 153792, 154496, 156640, 159324, 161568, 162945, 163404, 166430, 168696, 170613, 170880, 173808, 176220, 179520, 181560, 187440, 187968, 189570, 190080, 192240, 193120, 193664, 199155, 199716, 201960, 202208, 204255, 204480, 208527, 210870, 211464, 212432, 214846, 215424, 217260, 217872, 224928, 227484, 231744, 234960, 238986, 242080, 245376, 249645, 249920, 252760, 256320, 260712, 264330, 265540, 266288, 269280, 272340, 278036, 281160, 281952, 284355, 289680, 290496, 293760, 299574, 299904, 303312, 306720, 307584, 313280, 318648, 322269, 323136, 325890, 326808, 332860, 337392, 341226, 347545, 347616, 352440, 358479, 359040, 363120, 374880, 375936, 379140, 384480, 386240, 398310, 399432, 403920, 404416, 408510, 408960, 417054, 421740, 422928, 424864, 429692, 434520, 435744, 449361, 449856, 454968, 463488, 469920, 477972, 484160, 499290, 499840, 505520, 512640, 521424, 528660, 531080, 532576, 537115, 538560, 544680, 556072, 562320, 563904, 568710, 579360, 580992, 597465, 599148, 606624, 613440, 625581, 626560, 637296, 644538, 646272, 651780, 653616, 665720, 674784, 682452, 695090, 695232, 704880, 716958, 726240, 748935, 749760, 758280, 768960, 772480, 796620, 798864, 807840, 808832, 817020, 834108, 843480, 845856, 849728, 853065, 859384, 869040, 871488, 898722, 899712, 909936, 939840, 955944, 966807, 968320, 998580, 1011040, 1042635, 1042848, 1057320, 1062160, 1065152, 1074230, 1077120, 1089360, 1112144, 1124640, 1127808, 1137420, 1158720, 1181653, 1194930, 1198296, 1213248, 1226880, 1251162, 1274592, 1289076, 1303560, 1307232, 1331440, 1349568, 1364904, 1390180, 1390464, 1409760, 1433916, 1452480, 1497870, 1499520, 1516560, 1537920, 1593240, 1597728, 1611345, 1615680, 1634040, 1668216, 1686960, 1691712, 1699456, 1706130, 1718768, 1738080, 1742976, 1792395, 1797444, 1819872, 1876743, 1879680, 1911888, 1933614, 1997160, 2022080, 2085270, 2085696, 2114640, 2124320, 2130304, 2148460, 2178720, 2224288, 2246805, 2249280, 2274840, 2317440, 2363306, 2389860, 2396592, 2426496, 2502324, 2549184, 2578152, 2607120, 2614464, 2662880, 2699136, 2729808, 2780360, 2819520, 2867832, 2900421, 2904960, 2995740, 3033120, 3127905, 3186480, 3195456, 3222690, 3231360, 3268080, 3336432, 3373920, 3383424, 3412260, 3437536, 3476160, 3544959, 3584790, 3594888, 3639744, 3753486, 3823776, 3867228, 3994320, 4044160, 4170540, 4171392, 4229280, 4248640, 4296920, 4357440, 4448576, 4493610, 4498560, 4549680, 4726612, 4779720, 4793184, 4834035, 5004648, 5098368, 5156304, 5214240, 5228928, 5325760, 5459616, 5560720, 5639040, 5735664, 5800842, 5908265, 5991480, 6066240, 6255810, 6372960, 6390912, 6445380, 6536160, 6672864, 6747840, 6824520, 6875072, 6952320, 7089918, 7169580, 7189776, 7279488, 7506972, 7647552, 7734456, 7988640, 8341080, 8458560, 8497280, 8593840, 8714880, 8897152, 8987220, 9099360, 9383715, 9453224, 9559440, 9586368, 9668070, 10009296, 10312608, 10428480, 10634877, 10651520, 10919232, 11121440, 11471328, 11601684, 11816530, 11982960, 12132480, 12511620, 12745920, 12890760, 13072320, 13345728, 13495680, 13649040, 13750144, 14179836, 14339160, 14379552, 14502105, 15013944, 15295104, 15468912, 15977280, 16682160, 16917120, 17187680, 17724795, 17974440, 18198720, 18767430, 18906448, 19118880, 19172736, 19336140, 20018592, 20625216, 20856960, 21269754, 21838464, 22242880, 22942656, 23203368, 23633060, 23965920, 25023240, 25491840, 25781520, 26144640, 26691456, 27298080, 28359672, 28678320, 28759104, 29004210, 30027888, 30937824, 31904631, 31954560, 33364320, 34375360, 35449590, 35948880, 36397440, 37534860, 37812896, 38237760, 38672280, 40037184, 41250432, 42539508, 44485760, 45885312, 46406736, 47266120, 47931840, 50046480, 51563040, 53174385, 54596160, 56719344, 57356640, 57518208, 58008420, 60055776, 61875648, 63809262, 66728640, 68750720, 70899180, 71897760, 75069720, 75625792, 76475520, 77344560, 80074368, 85079016, 92813472, 94532240, 95863680, 100092960, 103126080, 106348770, 109192320, 113438688, 114713280, 116016840, 120111552, 123751296, 127618524, 133457280, 141798360, 143795520, 150139440, 151251584, 154689120, 159523155, 170158032, 185626944, 189064480, 200185920, 206252160, 212697540, 226877376, 229426560, 232033680, 240223104, 255237048, 283596720, 287591040, 300278880, 309378240, 319046310, 340316064, 371253888, 378128960, 400371840, 425395080, 453754752, 464067360, 510474096, 567193440, 600557760, 618756480, 638092620, 680632128, 756257920, 850790160, 928134720, 1020948192, 1134386880, 1201115520, 1276185240, 1361264256, 1701580320, 1856269440, 2041896384, 2268773760, 2552370480, 3403160640, 4083792768, 5104740960, 6806321280, 10209481920, 20418963840]

約数ペア:

[(1, 20418963840), (2, 10209481920), (3, 6806321280), (4, 5104740960), (5, 4083792768), (6, 3403160640), (8, 2552370480), (9, 2268773760), (10, 2041896384), (11, 1856269440), (12, 1701580320), (15, 1361264256), (16, 1276185240), (17, 1201115520), (18, 1134386880), (20, 1020948192), (22, 928134720), (24, 850790160), (27, 756257920), (30, 680632128), (32, 638092620), (33, 618756480), (34, 600557760), (36, 567193440), (40, 510474096), (44, 464067360), (45, 453754752), (48, 425395080), (51, 400371840), (54, 378128960), (55, 371253888), (60, 340316064), (64, 319046310), (66, 309378240), (68, 300278880), (71, 287591040), (72, 283596720), (80, 255237048), (85, 240223104), (88, 232033680), (89, 229426560), (90, 226877376), (96, 212697540), (99, 206252160), (102, 200185920), (108, 189064480), (110, 185626944), (120, 170158032), (128, 159523155), (132, 154689120), (135, 151251584), (136, 150139440), (142, 143795520), (144, 141798360), (153, 133457280), (160, 127618524), (165, 123751296), (170, 120111552), (176, 116016840), (178, 114713280), (180, 113438688), (187, 109192320), (192, 106348770), (198, 103126080), (204, 100092960), (213, 95863680), (216, 94532240), (220, 92813472), (240, 85079016), (255, 80074368), (264, 77344560), (267, 76475520), (270, 75625792), (272, 75069720), (284, 71897760), (288, 70899180), (297, 68750720), (306, 66728640), (320, 63809262), (330, 61875648), (340, 60055776), (352, 58008420), (355, 57518208), (356, 57356640), (360, 56719344), (374, 54596160), (384, 53174385), (396, 51563040), (408, 50046480), (426, 47931840), (432, 47266120), (440, 46406736), (445, 45885312), (459, 44485760), (480, 42539508), (495, 41250432), (510, 40037184), (528, 38672280), (534, 38237760), (540, 37812896), (544, 37534860), (561, 36397440), (568, 35948880), (576, 35449590), (594, 34375360), (612, 33364320), (639, 31954560), (640, 31904631), (660, 30937824), (680, 30027888), (704, 29004210), (710, 28759104), (712, 28678320), (720, 28359672), (748, 27298080), (765, 26691456), (781, 26144640), (792, 25781520), (801, 25491840), (816, 25023240), (852, 23965920), (864, 23633060), (880, 23203368), (890, 22942656), (918, 22242880), (935, 21838464), (960, 21269754), (979, 20856960), (990, 20625216), (1020, 20018592), (1056, 19336140), (1065, 19172736), (1068, 19118880), (1080, 18906448), (1088, 18767430), (1122, 18198720), (1136, 17974440), (1152, 17724795), (1188, 17187680), (1207, 16917120), (1224, 16682160), (1278, 15977280), (1320, 15468912), (1335, 15295104), (1360, 15013944), (1408, 14502105), (1420, 14379552), (1424, 14339160), (1440, 14179836), (1485, 13750144), (1496, 13649040), (1513, 13495680), (1530, 13345728), (1562, 13072320), (1584, 12890760), (1602, 12745920), (1632, 12511620), (1683, 12132480), (1704, 11982960), (1728, 11816530), (1760, 11601684), (1780, 11471328), (1836, 11121440), (1870, 10919232), (1917, 10651520), (1920, 10634877), (1958, 10428480), (1980, 10312608), (2040, 10009296), (2112, 9668070), (2130, 9586368), (2136, 9559440), (2160, 9453224), (2176, 9383715), (2244, 9099360), (2272, 8987220), (2295, 8897152), (2343, 8714880), (2376, 8593840), (2403, 8497280), (2414, 8458560), (2448, 8341080), (2556, 7988640), (2640, 7734456), (2670, 7647552), (2720, 7506972), (2805, 7279488), (2840, 7189776), (2848, 7169580), (2880, 7089918), (2937, 6952320), (2970, 6875072), (2992, 6824520), (3026, 6747840), (3060, 6672864), (3124, 6536160), (3168, 6445380), (3195, 6390912), (3204, 6372960), (3264, 6255810), (3366, 6066240), (3408, 5991480), (3456, 5908265), (3520, 5800842), (3560, 5735664), (3621, 5639040), (3672, 5560720), (3740, 5459616), (3834, 5325760), (3905, 5228928), (3916, 5214240), (3960, 5156304), (4005, 5098368), (4080, 5004648), (4224, 4834035), (4260, 4793184), (4272, 4779720), (4320, 4726612), (4488, 4549680), (4539, 4498560), (4544, 4493610), (4590, 4448576), (4686, 4357440), (4752, 4296920), (4806, 4248640), (4828, 4229280), (4895, 4171392), (4896, 4170540), (5049, 4044160), (5112, 3994320), (5280, 3867228), (5340, 3823776), (5440, 3753486), (5610, 3639744), (5680, 3594888), (5696, 3584790), (5760, 3544959), (5874, 3476160), (5940, 3437536), (5984, 3412260), (6035, 3383424), (6052, 3373920), (6120, 3336432), (6248, 3268080), (6319, 3231360), (6336, 3222690), (6390, 3195456), (6408, 3186480), (6528, 3127905), (6732, 3033120), (6816, 2995740), (7029, 2904960), (7040, 2900421), (7120, 2867832), (7242, 2819520), (7344, 2780360), (7480, 2729808), (7565, 2699136), (7668, 2662880), (7810, 2614464), (7832, 2607120), (7920, 2578152), (8010, 2549184), (8160, 2502324), (8415, 2426496), (8520, 2396592), (8544, 2389860), (8640, 2363306), (8811, 2317440), (8976, 2274840), (9078, 2249280), (9088, 2246805), (9180, 2224288), (9372, 2178720), (9504, 2148460), (9585, 2130304), (9612, 2124320), (9656, 2114640), (9790, 2085696), (9792, 2085270), (10098, 2022080), (10224, 1997160), (10560, 1933614), (10680, 1911888), (10863, 1879680), (10880, 1876743), (11220, 1819872), (11360, 1797444), (11392, 1792395), (11715, 1742976), (11748, 1738080), (11880, 1718768), (11968, 1706130), (12015, 1699456), (12070, 1691712), (12104, 1686960), (12240, 1668216), (12496, 1634040), (12638, 1615680), (12672, 1611345), (12780, 1597728), (12816, 1593240), (13277, 1537920), (13464, 1516560), (13617, 1499520), (13632, 1497870), (14058, 1452480), (14240, 1433916), (14484, 1409760), (14685, 1390464), (14688, 1390180), (14960, 1364904), (15130, 1349568), (15336, 1331440), (15620, 1307232), (15664, 1303560), (15840, 1289076), (16020, 1274592), (16320, 1251162), (16643, 1226880), (16830, 1213248), (17040, 1198296), (17088, 1194930), (17280, 1181653), (17622, 1158720), (17952, 1137420), (18105, 1127808), (18156, 1124640), (18360, 1112144), (18744, 1089360), (18957, 1077120), (19008, 1074230), (19170, 1065152), (19224, 1062160), (19312, 1057320), (19580, 1042848), (19584, 1042635), (20196, 1011040), (20448, 998580), (21087, 968320), (21120, 966807), (21360, 955944), (21726, 939840), (22440, 909936), (22695, 899712), (22720, 898722), (23430, 871488), (23496, 869040), (23760, 859384), (23936, 853065), (24030, 849728), (24140, 845856), (24208, 843480), (24480, 834108), (24992, 817020), (25245, 808832), (25276, 807840), (25560, 798864), (25632, 796620), (26433, 772480), (26554, 768960), (26928, 758280), (27234, 749760), (27264, 748935), (28116, 726240), (28480, 716958), (28968, 704880), (29370, 695232), (29376, 695090), (29920, 682452), (30260, 674784), (30672, 665720), (31240, 653616), (31328, 651780), (31595, 646272), (31680, 644538), (32040, 637296), (32589, 626560), (32640, 625581), (33286, 613440), (33660, 606624), (34080, 599148), (34176, 597465), (35145, 580992), (35244, 579360), (35904, 568710), (36210, 563904), (36312, 562320), (36720, 556072), (37488, 544680), (37914, 538560), (38016, 537115), (38340, 532576), (38448, 531080), (38624, 528660), (39160, 521424), (39831, 512640), (40392, 505520), (40851, 499840), (40896, 499290), (42174, 484160), (42720, 477972), (43452, 469920), (44055, 463488), (44880, 454968), (45390, 449856), (45440, 449361), (46860, 435744), (46992, 434520), (47520, 429692), (48060, 424864), (48280, 422928), (48416, 421740), (48960, 417054), (49929, 408960), (49984, 408510), (50490, 404416), (50552, 403920), (51120, 399432), (51264, 398310), (52866, 386240), (53108, 384480), (53856, 379140), (54315, 375936), (54468, 374880), (56232, 363120), (56871, 359040), (56960, 358479), (57936, 352440), (58740, 347616), (58752, 347545), (59840, 341226), (60520, 337392), (61344, 332860), (62480, 326808), (62656, 325890), (63190, 323136), (63360, 322269), (64080, 318648), (65178, 313280), (66385, 307584), (66572, 306720), (67320, 303312), (68085, 299904), (68160, 299574), (69509, 293760), (70290, 290496), (70488, 289680), (71808, 284355), (72420, 281952), (72624, 281160), (73440, 278036), (74976, 272340), (75828, 269280), (76680, 266288), (76896, 265540), (77248, 264330), (78320, 260712), (79662, 256320), (80784, 252760), (81702, 249920), (81792, 249645), (83215, 245376), (84348, 242080), (85440, 238986), (86904, 234960), (88110, 231744), (89760, 227484), (90780, 224928), (93720, 217872), (93984, 217260), (94785, 215424), (95040, 214846), (96120, 212432), (96560, 211464), (96832, 210870), (97920, 208527), (99858, 204480), (99968, 204255), (100980, 202208), (101104, 201960), (102240, 199716), (102528, 199155), (105435, 193664), (105732, 193120), (106216, 192240), (107423, 190080), (107712, 189570), (108630, 187968), (108936, 187440), (112464, 181560), (113742, 179520), (115872, 176220), (117480, 173808), (119493, 170880), (119680, 170613), (121040, 168696), (122688, 166430), (124960, 163404), (125312, 162945), (126380, 161568), (128160, 159324), (130356, 156640), (132165, 154496), (132770, 153792), (133144, 153360), (134640, 151656), (136170, 149952), (136320, 149787), (139018, 146880), (140580, 145248), (140976, 144840)]