20921886720

素因数分解:

$2^{11}\times 3^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:201

約数の個数: 864

約数和(自身を含む): 87172099560

約数和(自身を除く): 66250212840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 41, 42, 45, 48, 49, 56, 60, 63, 64, 70, 72, 80, 82, 84, 90, 96, 98, 105, 112, 113, 120, 123, 126, 128, 140, 144, 147, 160, 164, 168, 180, 192, 196, 205, 210, 224, 226, 240, 245, 246, 252, 256, 280, 287, 288, 294, 315, 320, 328, 336, 339, 360, 369, 384, 392, 410, 420, 441, 448, 452, 480, 490, 492, 504, 512, 560, 565, 574, 576, 588, 615, 630, 640, 656, 672, 678, 720, 735, 738, 768, 784, 791, 820, 840, 861, 882, 896, 904, 960, 980, 984, 1008, 1017, 1024, 1120, 1130, 1148, 1152, 1176, 1230, 1260, 1280, 1312, 1344, 1356, 1435, 1440, 1470, 1476, 1536, 1568, 1582, 1640, 1680, 1695, 1722, 1764, 1792, 1808, 1845, 1920, 1960, 1968, 2009, 2016, 2034, 2048, 2205, 2240, 2260, 2296, 2304, 2352, 2373, 2460, 2520, 2560, 2583, 2624, 2688, 2712, 2870, 2880, 2940, 2952, 3072, 3136, 3164, 3280, 3360, 3390, 3444, 3528, 3584, 3616, 3690, 3840, 3920, 3936, 3955, 4018, 4032, 4068, 4305, 4410, 4480, 4520, 4592, 4608, 4633, 4704, 4746, 4920, 5040, 5085, 5120, 5166, 5248, 5376, 5424, 5537, 5740, 5760, 5880, 5904, 6027, 6144, 6272, 6328, 6560, 6720, 6780, 6888, 7056, 7119, 7168, 7232, 7380, 7680, 7840, 7872, 7910, 8036, 8064, 8136, 8610, 8820, 8960, 9040, 9184, 9216, 9266, 9408, 9492, 9840, 10045, 10080, 10170, 10240, 10332, 10496, 10752, 10848, 11074, 11480, 11520, 11760, 11808, 11865, 12054, 12544, 12656, 12915, 13120, 13440, 13560, 13776, 13899, 14112, 14238, 14336, 14464, 14760, 15360, 15680, 15744, 15820, 16072, 16128, 16272, 16611, 17220, 17640, 17920, 18080, 18081, 18368, 18432, 18532, 18816, 18984, 19680, 20090, 20160, 20340, 20664, 20992, 21504, 21696, 22148, 22960, 23040, 23165, 23520, 23616, 23730, 24108, 25088, 25312, 25830, 26240, 26880, 27120, 27552, 27685, 27798, 28224, 28476, 28928, 29520, 30135, 30720, 31360, 31488, 31640, 32144, 32256, 32431, 32544, 33222, 34440, 35280, 35595, 35840, 36160, 36162, 36736, 37064, 37632, 37968, 39360, 40180, 40320, 40680, 41328, 41697, 41984, 43008, 43392, 44296, 45920, 46080, 46330, 47040, 47232, 47460, 48216, 49833, 50176, 50624, 51660, 52480, 53760, 54240, 55104, 55370, 55596, 56448, 56952, 57856, 59040, 60270, 62720, 62976, 63280, 64288, 64512, 64862, 65088, 66444, 68880, 69495, 70560, 71190, 71680, 72320, 72324, 73472, 74128, 75264, 75936, 78720, 80360, 80640, 81360, 82656, 83055, 83394, 83968, 86784, 88592, 90405, 91840, 92160, 92660, 94080, 94464, 94920, 96432, 97293, 99666, 100352, 101248, 103320, 104960, 107520, 108480, 110208, 110740, 111192, 112896, 113904, 115712, 118080, 120540, 125440, 125952, 126560, 128576, 129024, 129724, 130176, 132888, 137760, 138990, 141120, 142380, 144640, 144648, 146944, 148256, 150528, 151872, 157440, 160720, 161280, 162155, 162720, 165312, 166110, 166788, 173568, 177184, 180810, 183680, 185320, 188160, 188928, 189840, 192864, 194586, 199332, 202496, 206640, 208485, 209920, 215040, 216960, 220416, 221480, 222384, 225792, 227017, 227808, 231424, 236160, 241080, 249165, 250880, 251904, 253120, 257152, 259448, 260352, 265776, 275520, 277980, 282240, 284760, 289280, 289296, 291879, 293888, 296512, 301056, 303744, 314880, 321440, 322560, 324310, 325440, 330624, 332220, 333576, 347136, 354368, 361620, 367360, 370640, 376320, 377856, 379680, 385728, 389172, 398664, 404992, 413280, 416970, 419840, 433920, 440832, 442960, 444768, 451584, 454034, 455616, 472320, 482160, 486465, 498330, 501760, 506240, 514304, 518896, 520704, 531552, 551040, 555960, 564480, 569520, 578560, 578592, 583758, 587776, 593024, 607488, 629760, 642880, 645120, 648620, 650880, 661248, 664440, 667152, 681051, 694272, 708736, 723240, 734720, 741280, 752640, 755712, 759360, 771456, 778344, 797328, 809984, 826560, 833940, 867840, 881664, 885920, 889536, 903168, 908068, 911232, 944640, 964320, 972930, 996660, 1012480, 1028608, 1037792, 1041408, 1063104, 1102080, 1111920, 1128960, 1135085, 1139040, 1157120, 1157184, 1167516, 1186048, 1214976, 1259520, 1285760, 1297240, 1301760, 1322496, 1328880, 1334304, 1362102, 1417472, 1446480, 1459395, 1469440, 1482560, 1505280, 1518720, 1542912, 1556688, 1594656, 1619968, 1653120, 1667880, 1735680, 1763328, 1771840, 1779072, 1816136, 1822464, 1889280, 1928640, 1945860, 1993320, 2024960, 2043153, 2057216, 2075584, 2082816, 2126208, 2204160, 2223840, 2257920, 2270170, 2278080, 2314368, 2335032, 2372096, 2429952, 2571520, 2594480, 2603520, 2644992, 2657760, 2668608, 2724204, 2834944, 2892960, 2918790, 2938880, 2965120, 3037440, 3085824, 3113376, 3189312, 3306240, 3335760, 3405255, 3471360, 3543680, 3558144, 3632272, 3644928, 3778560, 3857280, 3891720, 3986640, 4049920, 4086306, 4114432, 4151168, 4252416, 4408320, 4447680, 4515840, 4540340, 4556160, 4628736, 4670064, 4744192, 4859904, 5143040, 5188960, 5207040, 5289984, 5315520, 5337216, 5448408, 5669888, 5785920, 5837580, 5930240, 6074880, 6171648, 6226752, 6378624, 6612480, 6671520, 6810510, 7087360, 7116288, 7264544, 7289856, 7714560, 7783440, 7973280, 8099840, 8172612, 8302336, 8504832, 8816640, 8895360, 9080680, 9112320, 9257472, 9340128, 9488384, 10215765, 10286080, 10377920, 10414080, 10631040, 10674432, 10896816, 11339776, 11571840, 11675160, 11860480, 12149760, 12343296, 12453504, 12757248, 13224960, 13343040, 13621020, 14174720, 14232576, 14529088, 14579712, 15429120, 15566880, 15946560, 16345224, 16604672, 17009664, 17790720, 18161360, 18224640, 18514944, 18680256, 20431530, 20572160, 20755840, 21262080, 21348864, 21793632, 23143680, 23350320, 23720960, 24299520, 24907008, 25514496, 26449920, 26686080, 27242040, 28349440, 28465152, 29058176, 30858240, 31133760, 31893120, 32690448, 33209344, 34019328, 35581440, 36322720, 36449280, 37029888, 37360512, 40863060, 41511680, 42524160, 42697728, 43587264, 46287360, 46700640, 47441920, 49814016, 51028992, 53372160, 54484080, 56698880, 58116352, 61716480, 62267520, 63786240, 65380896, 66418688, 71162880, 72645440, 72898560, 74721024, 81726120, 83023360, 85048320, 85395456, 87174528, 92574720, 93401280, 99628032, 102057984, 106744320, 108968160, 116232704, 124535040, 127572480, 130761792, 142325760, 145290880, 149442048, 163452240, 166046720, 170096640, 174349056, 185149440, 186802560, 199256064, 213488640, 217936320, 232465408, 249070080, 255144960, 261523584, 290581760, 298884096, 326904480, 332093440, 348698112, 373605120, 426977280, 435872640, 464930816, 498140160, 510289920, 523047168, 581163520, 597768192, 653808960, 697396224, 747210240, 871745280, 996280320, 1046094336, 1162327040, 1307617920, 1394792448, 1494420480, 1743490560, 2092188672, 2324654080, 2615235840, 2988840960, 3486981120, 4184377344, 5230471680, 6973962240, 10460943360, 20921886720]

約数ペア:

[(1, 20921886720), (2, 10460943360), (3, 6973962240), (4, 5230471680), (5, 4184377344), (6, 3486981120), (7, 2988840960), (8, 2615235840), (9, 2324654080), (10, 2092188672), (12, 1743490560), (14, 1494420480), (15, 1394792448), (16, 1307617920), (18, 1162327040), (20, 1046094336), (21, 996280320), (24, 871745280), (28, 747210240), (30, 697396224), (32, 653808960), (35, 597768192), (36, 581163520), (40, 523047168), (41, 510289920), (42, 498140160), (45, 464930816), (48, 435872640), (49, 426977280), (56, 373605120), (60, 348698112), (63, 332093440), (64, 326904480), (70, 298884096), (72, 290581760), (80, 261523584), (82, 255144960), (84, 249070080), (90, 232465408), (96, 217936320), (98, 213488640), (105, 199256064), (112, 186802560), (113, 185149440), (120, 174349056), (123, 170096640), (126, 166046720), (128, 163452240), (140, 149442048), (144, 145290880), (147, 142325760), (160, 130761792), (164, 127572480), (168, 124535040), (180, 116232704), (192, 108968160), (196, 106744320), (205, 102057984), (210, 99628032), (224, 93401280), (226, 92574720), (240, 87174528), (245, 85395456), (246, 85048320), (252, 83023360), (256, 81726120), (280, 74721024), (287, 72898560), (288, 72645440), (294, 71162880), (315, 66418688), (320, 65380896), (328, 63786240), (336, 62267520), (339, 61716480), (360, 58116352), (369, 56698880), (384, 54484080), (392, 53372160), (410, 51028992), (420, 49814016), (441, 47441920), (448, 46700640), (452, 46287360), (480, 43587264), (490, 42697728), (492, 42524160), (504, 41511680), (512, 40863060), (560, 37360512), (565, 37029888), (574, 36449280), (576, 36322720), (588, 35581440), (615, 34019328), (630, 33209344), (640, 32690448), (656, 31893120), (672, 31133760), (678, 30858240), (720, 29058176), (735, 28465152), (738, 28349440), (768, 27242040), (784, 26686080), (791, 26449920), (820, 25514496), (840, 24907008), (861, 24299520), (882, 23720960), (896, 23350320), (904, 23143680), (960, 21793632), (980, 21348864), (984, 21262080), (1008, 20755840), (1017, 20572160), (1024, 20431530), (1120, 18680256), (1130, 18514944), (1148, 18224640), (1152, 18161360), (1176, 17790720), (1230, 17009664), (1260, 16604672), (1280, 16345224), (1312, 15946560), (1344, 15566880), (1356, 15429120), (1435, 14579712), (1440, 14529088), (1470, 14232576), (1476, 14174720), (1536, 13621020), (1568, 13343040), (1582, 13224960), (1640, 12757248), (1680, 12453504), (1695, 12343296), (1722, 12149760), (1764, 11860480), (1792, 11675160), (1808, 11571840), (1845, 11339776), (1920, 10896816), (1960, 10674432), (1968, 10631040), (2009, 10414080), (2016, 10377920), (2034, 10286080), (2048, 10215765), (2205, 9488384), (2240, 9340128), (2260, 9257472), (2296, 9112320), (2304, 9080680), (2352, 8895360), (2373, 8816640), (2460, 8504832), (2520, 8302336), (2560, 8172612), (2583, 8099840), (2624, 7973280), (2688, 7783440), (2712, 7714560), (2870, 7289856), (2880, 7264544), (2940, 7116288), (2952, 7087360), (3072, 6810510), (3136, 6671520), (3164, 6612480), (3280, 6378624), (3360, 6226752), (3390, 6171648), (3444, 6074880), (3528, 5930240), (3584, 5837580), (3616, 5785920), (3690, 5669888), (3840, 5448408), (3920, 5337216), (3936, 5315520), (3955, 5289984), (4018, 5207040), (4032, 5188960), (4068, 5143040), (4305, 4859904), (4410, 4744192), (4480, 4670064), (4520, 4628736), (4592, 4556160), (4608, 4540340), (4633, 4515840), (4704, 4447680), (4746, 4408320), (4920, 4252416), (5040, 4151168), (5085, 4114432), (5120, 4086306), (5166, 4049920), (5248, 3986640), (5376, 3891720), (5424, 3857280), (5537, 3778560), (5740, 3644928), (5760, 3632272), (5880, 3558144), (5904, 3543680), (6027, 3471360), (6144, 3405255), (6272, 3335760), (6328, 3306240), (6560, 3189312), (6720, 3113376), (6780, 3085824), (6888, 3037440), (7056, 2965120), (7119, 2938880), (7168, 2918790), (7232, 2892960), (7380, 2834944), (7680, 2724204), (7840, 2668608), (7872, 2657760), (7910, 2644992), (8036, 2603520), (8064, 2594480), (8136, 2571520), (8610, 2429952), (8820, 2372096), (8960, 2335032), (9040, 2314368), (9184, 2278080), (9216, 2270170), (9266, 2257920), (9408, 2223840), (9492, 2204160), (9840, 2126208), (10045, 2082816), (10080, 2075584), (10170, 2057216), (10240, 2043153), (10332, 2024960), (10496, 1993320), (10752, 1945860), (10848, 1928640), (11074, 1889280), (11480, 1822464), (11520, 1816136), (11760, 1779072), (11808, 1771840), (11865, 1763328), (12054, 1735680), (12544, 1667880), (12656, 1653120), (12915, 1619968), (13120, 1594656), (13440, 1556688), (13560, 1542912), (13776, 1518720), (13899, 1505280), (14112, 1482560), (14238, 1469440), (14336, 1459395), (14464, 1446480), (14760, 1417472), (15360, 1362102), (15680, 1334304), (15744, 1328880), (15820, 1322496), (16072, 1301760), (16128, 1297240), (16272, 1285760), (16611, 1259520), (17220, 1214976), (17640, 1186048), (17920, 1167516), (18080, 1157184), (18081, 1157120), (18368, 1139040), (18432, 1135085), (18532, 1128960), (18816, 1111920), (18984, 1102080), (19680, 1063104), (20090, 1041408), (20160, 1037792), (20340, 1028608), (20664, 1012480), (20992, 996660), (21504, 972930), (21696, 964320), (22148, 944640), (22960, 911232), (23040, 908068), (23165, 903168), (23520, 889536), (23616, 885920), (23730, 881664), (24108, 867840), (25088, 833940), (25312, 826560), (25830, 809984), (26240, 797328), (26880, 778344), (27120, 771456), (27552, 759360), (27685, 755712), (27798, 752640), (28224, 741280), (28476, 734720), (28928, 723240), (29520, 708736), (30135, 694272), (30720, 681051), (31360, 667152), (31488, 664440), (31640, 661248), (32144, 650880), (32256, 648620), (32431, 645120), (32544, 642880), (33222, 629760), (34440, 607488), (35280, 593024), (35595, 587776), (35840, 583758), (36160, 578592), (36162, 578560), (36736, 569520), (37064, 564480), (37632, 555960), (37968, 551040), (39360, 531552), (40180, 520704), (40320, 518896), (40680, 514304), (41328, 506240), (41697, 501760), (41984, 498330), (43008, 486465), (43392, 482160), (44296, 472320), (45920, 455616), (46080, 454034), (46330, 451584), (47040, 444768), (47232, 442960), (47460, 440832), (48216, 433920), (49833, 419840), (50176, 416970), (50624, 413280), (51660, 404992), (52480, 398664), (53760, 389172), (54240, 385728), (55104, 379680), (55370, 377856), (55596, 376320), (56448, 370640), (56952, 367360), (57856, 361620), (59040, 354368), (60270, 347136), (62720, 333576), (62976, 332220), (63280, 330624), (64288, 325440), (64512, 324310), (64862, 322560), (65088, 321440), (66444, 314880), (68880, 303744), (69495, 301056), (70560, 296512), (71190, 293888), (71680, 291879), (72320, 289296), (72324, 289280), (73472, 284760), (74128, 282240), (75264, 277980), (75936, 275520), (78720, 265776), (80360, 260352), (80640, 259448), (81360, 257152), (82656, 253120), (83055, 251904), (83394, 250880), (83968, 249165), (86784, 241080), (88592, 236160), (90405, 231424), (91840, 227808), (92160, 227017), (92660, 225792), (94080, 222384), (94464, 221480), (94920, 220416), (96432, 216960), (97293, 215040), (99666, 209920), (100352, 208485), (101248, 206640), (103320, 202496), (104960, 199332), (107520, 194586), (108480, 192864), (110208, 189840), (110740, 188928), (111192, 188160), (112896, 185320), (113904, 183680), (115712, 180810), (118080, 177184), (120540, 173568), (125440, 166788), (125952, 166110), (126560, 165312), (128576, 162720), (129024, 162155), (129724, 161280), (130176, 160720), (132888, 157440), (137760, 151872), (138990, 150528), (141120, 148256), (142380, 146944), (144640, 144648)]