20713405440

素因数分解:

$2^{10}\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:157

約数の個数: 1056

約数和(自身を含む): 87033199680

約数和(自身を除く): 66319794240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 29, 30, 32, 35, 39, 40, 42, 48, 49, 52, 56, 58, 60, 64, 65, 70, 73, 78, 80, 84, 87, 91, 96, 98, 104, 105, 112, 116, 120, 128, 130, 140, 145, 146, 147, 156, 160, 168, 174, 182, 192, 195, 196, 203, 208, 210, 219, 224, 232, 240, 245, 256, 260, 273, 280, 290, 292, 294, 312, 320, 336, 348, 364, 365, 377, 384, 390, 392, 406, 416, 420, 435, 438, 448, 455, 464, 480, 490, 511, 512, 520, 546, 560, 580, 584, 588, 609, 624, 637, 640, 672, 696, 728, 730, 735, 754, 768, 780, 784, 812, 832, 840, 870, 876, 896, 910, 928, 949, 960, 980, 1015, 1022, 1024, 1040, 1092, 1095, 1120, 1131, 1160, 1168, 1176, 1218, 1248, 1274, 1280, 1344, 1365, 1392, 1421, 1456, 1460, 1470, 1508, 1533, 1536, 1560, 1568, 1624, 1664, 1680, 1740, 1752, 1792, 1820, 1856, 1885, 1898, 1911, 1920, 1960, 2030, 2044, 2080, 2117, 2184, 2190, 2240, 2262, 2320, 2336, 2352, 2436, 2496, 2548, 2555, 2560, 2639, 2688, 2730, 2784, 2842, 2847, 2912, 2920, 2940, 3016, 3045, 3066, 3072, 3120, 3136, 3185, 3248, 3328, 3360, 3480, 3504, 3577, 3584, 3640, 3712, 3770, 3796, 3822, 3840, 3920, 4060, 4088, 4160, 4234, 4263, 4368, 4380, 4480, 4524, 4640, 4672, 4704, 4745, 4872, 4992, 5096, 5110, 5120, 5278, 5376, 5460, 5568, 5655, 5684, 5694, 5824, 5840, 5880, 6032, 6090, 6132, 6240, 6272, 6351, 6370, 6496, 6643, 6656, 6720, 6960, 7008, 7105, 7154, 7168, 7280, 7424, 7540, 7592, 7644, 7665, 7680, 7840, 7917, 8120, 8176, 8320, 8468, 8526, 8736, 8760, 8960, 9048, 9280, 9344, 9408, 9490, 9555, 9744, 9984, 10192, 10220, 10556, 10585, 10731, 10752, 10920, 11136, 11310, 11368, 11388, 11648, 11680, 11760, 12064, 12180, 12264, 12480, 12544, 12702, 12740, 12992, 13195, 13286, 13312, 13440, 13920, 14016, 14210, 14235, 14308, 14560, 14819, 14848, 15080, 15184, 15288, 15330, 15360, 15680, 15834, 16240, 16352, 16640, 16936, 17052, 17472, 17520, 17885, 17920, 18096, 18473, 18560, 18688, 18816, 18980, 19110, 19488, 19929, 19968, 20384, 20440, 21112, 21170, 21315, 21462, 21504, 21840, 22272, 22620, 22736, 22776, 23296, 23360, 23520, 24128, 24360, 24528, 24960, 25088, 25404, 25480, 25984, 26390, 26572, 26880, 27521, 27840, 28032, 28420, 28470, 28616, 29120, 29638, 29696, 30160, 30368, 30576, 30660, 31360, 31668, 31755, 32480, 32704, 33215, 33280, 33872, 34104, 34944, 35040, 35770, 35840, 36192, 36946, 37120, 37376, 37632, 37960, 38220, 38976, 39585, 39858, 39936, 40768, 40880, 42224, 42340, 42630, 42924, 43680, 44457, 44544, 45240, 45472, 45552, 46501, 46592, 46720, 47040, 48256, 48720, 49056, 49920, 50176, 50808, 50960, 51968, 52780, 53144, 53655, 53760, 55042, 55419, 55680, 56064, 56840, 56940, 57232, 58240, 59276, 60320, 60736, 61152, 61320, 62720, 63336, 63510, 64960, 65408, 66430, 66560, 67744, 68208, 69888, 70080, 71540, 72384, 73892, 74095, 74240, 74752, 75264, 75920, 76440, 77952, 79170, 79716, 81536, 81760, 82563, 84448, 84680, 85260, 85848, 87360, 88914, 89088, 90480, 90944, 91104, 92365, 93002, 93184, 93440, 94080, 96512, 97440, 98112, 99645, 99840, 101616, 101920, 103733, 103936, 105560, 106288, 107310, 107520, 110084, 110838, 111360, 112128, 113680, 113880, 114464, 116480, 118552, 120640, 121472, 122304, 122640, 125440, 126672, 127020, 129920, 130816, 132860, 135488, 136416, 137605, 139503, 139776, 140160, 143080, 144768, 147784, 148190, 148480, 150528, 151840, 152880, 155904, 158340, 159432, 163072, 163520, 165126, 168896, 169360, 170520, 171696, 174720, 177828, 180960, 181888, 182208, 184730, 186004, 186880, 188160, 192647, 193024, 194880, 196224, 199290, 199680, 203232, 203840, 207466, 207872, 211120, 212576, 214620, 220168, 221676, 222285, 222720, 224256, 227360, 227760, 228928, 232505, 232960, 237104, 241280, 242944, 244608, 245280, 250880, 253344, 254040, 259840, 261632, 265720, 270976, 272832, 275210, 277095, 279006, 279552, 280320, 286160, 289536, 295568, 296380, 303680, 305760, 311199, 311808, 316680, 318864, 326144, 327040, 330252, 337792, 338720, 341040, 343392, 349440, 355656, 361920, 363776, 364416, 369460, 372008, 373760, 376320, 385294, 386048, 389760, 392448, 398580, 406464, 407680, 412815, 414932, 422240, 425152, 429240, 440336, 443352, 444570, 445440, 454720, 455520, 457856, 465010, 465920, 474208, 482560, 485888, 489216, 490560, 506688, 508080, 518665, 519680, 523264, 531440, 541952, 545664, 550420, 554190, 558012, 560640, 572320, 577941, 579072, 591136, 592760, 607360, 611520, 622398, 623616, 633360, 637728, 652288, 654080, 660504, 675584, 677440, 682080, 686784, 697515, 698880, 711312, 723840, 727552, 728832, 738920, 744016, 752640, 770588, 779520, 784896, 797160, 812928, 815360, 825630, 829864, 844480, 850304, 858480, 880672, 886704, 889140, 909440, 911040, 915712, 930020, 948416, 963235, 965120, 971776, 978432, 981120, 1013376, 1016160, 1037330, 1039360, 1062880, 1083904, 1091328, 1100840, 1108380, 1116024, 1121280, 1144640, 1155882, 1158144, 1182272, 1185520, 1214720, 1223040, 1244796, 1266720, 1275456, 1308160, 1321008, 1348529, 1351168, 1354880, 1364160, 1373568, 1395030, 1397760, 1422624, 1447680, 1455104, 1457664, 1477840, 1488032, 1541176, 1555995, 1559040, 1569792, 1594320, 1625856, 1630720, 1651260, 1659728, 1688960, 1700608, 1716960, 1761344, 1773408, 1778280, 1818880, 1822080, 1831424, 1860040, 1896832, 1926470, 1930240, 1956864, 1962240, 2026752, 2032320, 2074660, 2125760, 2167808, 2182656, 2201680, 2216760, 2232048, 2289280, 2311764, 2364544, 2371040, 2429440, 2446080, 2489592, 2533440, 2550912, 2616320, 2642016, 2697058, 2702336, 2709760, 2728320, 2747136, 2790060, 2845248, 2889705, 2895360, 2915328, 2955680, 2976064, 3082352, 3111990, 3118080, 3188640, 3251712, 3261440, 3302520, 3319456, 3377920, 3401216, 3433920, 3522688, 3546816, 3556560, 3637760, 3644160, 3662848, 3720080, 3793664, 3852940, 3924480, 4045587, 4053504, 4064640, 4149320, 4251520, 4365312, 4403360, 4433520, 4464096, 4578560, 4623528, 4729088, 4742080, 4858880, 4892160, 4979184, 5066880, 5101824, 5284032, 5394116, 5419520, 5456640, 5494272, 5580120, 5690496, 5779410, 5790720, 5911360, 5952128, 6164704, 6223980, 6377280, 6503424, 6605040, 6638912, 6742645, 6755840, 6802432, 6867840, 7045376, 7093632, 7113120, 7275520, 7288320, 7440160, 7587328, 7705880, 7848960, 8091174, 8107008, 8129280, 8298640, 8503040, 8806720, 8867040, 8928192, 9157120, 9247056, 9458176, 9484160, 9784320, 9958368, 10133760, 10203648, 10568064, 10788232, 10839040, 10913280, 10988544, 11160240, 11380992, 11558820, 11822720, 11904256, 12329408, 12447960, 12754560, 13210080, 13277824, 13485290, 13511680, 13735680, 14090752, 14187264, 14226240, 14576640, 14880320, 15174656, 15411760, 16182348, 16258560, 16597280, 17006080, 17613440, 17734080, 17856384, 18314240, 18494112, 18916352, 18968320, 19916736, 20227935, 20267520, 20407296, 21136128, 21576464, 21826560, 22320480, 22761984, 23117640, 23645440, 23808512, 24658816, 24895920, 25509120, 26420160, 26555648, 26970580, 27471360, 28181504, 28374528, 28452480, 29760640, 30823520, 32364696, 32517120, 33194560, 34012160, 35226880, 35468160, 35712768, 36988224, 37936640, 39833472, 40455870, 40535040, 42272256, 43152928, 44640960, 45523968, 46235280, 47290880, 47617024, 49317632, 49791840, 51018240, 52840320, 53111296, 53941160, 54942720, 56749056, 56904960, 59521280, 61647040, 64729392, 66389120, 70453760, 70936320, 71425536, 73976448, 75873280, 79666944, 80911740, 84544512, 86305856, 89281920, 92470560, 94581760, 98635264, 99583680, 102036480, 105680640, 106222592, 107882320, 113809920, 119042560, 123294080, 129458784, 132778240, 140907520, 141872640, 142851072, 147952896, 159333888, 161823480, 172611712, 178563840, 184941120, 197270528, 199167360, 211361280, 215764640, 227619840, 238085120, 246588160, 258917568, 265556480, 283745280, 295905792, 318667776, 323646960, 345223424, 357127680, 369882240, 398334720, 422722560, 431529280, 493176320, 517835136, 531112960, 591811584, 647293920, 690446848, 714255360, 739764480, 796669440, 863058560, 986352640, 1035670272, 1294587840, 1380893696, 1479528960, 1593338880, 1726117120, 2071340544, 2589175680, 2959057920, 3452234240, 4142681088, 5178351360, 6904468480, 10356702720, 20713405440]

約数ペア:

[(1, 20713405440), (2, 10356702720), (3, 6904468480), (4, 5178351360), (5, 4142681088), (6, 3452234240), (7, 2959057920), (8, 2589175680), (10, 2071340544), (12, 1726117120), (13, 1593338880), (14, 1479528960), (15, 1380893696), (16, 1294587840), (20, 1035670272), (21, 986352640), (24, 863058560), (26, 796669440), (28, 739764480), (29, 714255360), (30, 690446848), (32, 647293920), (35, 591811584), (39, 531112960), (40, 517835136), (42, 493176320), (48, 431529280), (49, 422722560), (52, 398334720), (56, 369882240), (58, 357127680), (60, 345223424), (64, 323646960), (65, 318667776), (70, 295905792), (73, 283745280), (78, 265556480), (80, 258917568), (84, 246588160), (87, 238085120), (91, 227619840), (96, 215764640), (98, 211361280), (104, 199167360), (105, 197270528), (112, 184941120), (116, 178563840), (120, 172611712), (128, 161823480), (130, 159333888), (140, 147952896), (145, 142851072), (146, 141872640), (147, 140907520), (156, 132778240), (160, 129458784), (168, 123294080), (174, 119042560), (182, 113809920), (192, 107882320), (195, 106222592), (196, 105680640), (203, 102036480), (208, 99583680), (210, 98635264), (219, 94581760), (224, 92470560), (232, 89281920), (240, 86305856), (245, 84544512), (256, 80911740), (260, 79666944), (273, 75873280), (280, 73976448), (290, 71425536), (292, 70936320), (294, 70453760), (312, 66389120), (320, 64729392), (336, 61647040), (348, 59521280), (364, 56904960), (365, 56749056), (377, 54942720), (384, 53941160), (390, 53111296), (392, 52840320), (406, 51018240), (416, 49791840), (420, 49317632), (435, 47617024), (438, 47290880), (448, 46235280), (455, 45523968), (464, 44640960), (480, 43152928), (490, 42272256), (511, 40535040), (512, 40455870), (520, 39833472), (546, 37936640), (560, 36988224), (580, 35712768), (584, 35468160), (588, 35226880), (609, 34012160), (624, 33194560), (637, 32517120), (640, 32364696), (672, 30823520), (696, 29760640), (728, 28452480), (730, 28374528), (735, 28181504), (754, 27471360), (768, 26970580), (780, 26555648), (784, 26420160), (812, 25509120), (832, 24895920), (840, 24658816), (870, 23808512), (876, 23645440), (896, 23117640), (910, 22761984), (928, 22320480), (949, 21826560), (960, 21576464), (980, 21136128), (1015, 20407296), (1022, 20267520), (1024, 20227935), (1040, 19916736), (1092, 18968320), (1095, 18916352), (1120, 18494112), (1131, 18314240), (1160, 17856384), (1168, 17734080), (1176, 17613440), (1218, 17006080), (1248, 16597280), (1274, 16258560), (1280, 16182348), (1344, 15411760), (1365, 15174656), (1392, 14880320), (1421, 14576640), (1456, 14226240), (1460, 14187264), (1470, 14090752), (1508, 13735680), (1533, 13511680), (1536, 13485290), (1560, 13277824), (1568, 13210080), (1624, 12754560), (1664, 12447960), (1680, 12329408), (1740, 11904256), (1752, 11822720), (1792, 11558820), (1820, 11380992), (1856, 11160240), (1885, 10988544), (1898, 10913280), (1911, 10839040), (1920, 10788232), (1960, 10568064), (2030, 10203648), (2044, 10133760), (2080, 9958368), (2117, 9784320), (2184, 9484160), (2190, 9458176), (2240, 9247056), (2262, 9157120), (2320, 8928192), (2336, 8867040), (2352, 8806720), (2436, 8503040), (2496, 8298640), (2548, 8129280), (2555, 8107008), (2560, 8091174), (2639, 7848960), (2688, 7705880), (2730, 7587328), (2784, 7440160), (2842, 7288320), (2847, 7275520), (2912, 7113120), (2920, 7093632), (2940, 7045376), (3016, 6867840), (3045, 6802432), (3066, 6755840), (3072, 6742645), (3120, 6638912), (3136, 6605040), (3185, 6503424), (3248, 6377280), (3328, 6223980), (3360, 6164704), (3480, 5952128), (3504, 5911360), (3577, 5790720), (3584, 5779410), (3640, 5690496), (3712, 5580120), (3770, 5494272), (3796, 5456640), (3822, 5419520), (3840, 5394116), (3920, 5284032), (4060, 5101824), (4088, 5066880), (4160, 4979184), (4234, 4892160), (4263, 4858880), (4368, 4742080), (4380, 4729088), (4480, 4623528), (4524, 4578560), (4640, 4464096), (4672, 4433520), (4704, 4403360), (4745, 4365312), (4872, 4251520), (4992, 4149320), (5096, 4064640), (5110, 4053504), (5120, 4045587), (5278, 3924480), (5376, 3852940), (5460, 3793664), (5568, 3720080), (5655, 3662848), (5684, 3644160), (5694, 3637760), (5824, 3556560), (5840, 3546816), (5880, 3522688), (6032, 3433920), (6090, 3401216), (6132, 3377920), (6240, 3319456), (6272, 3302520), (6351, 3261440), (6370, 3251712), (6496, 3188640), (6643, 3118080), (6656, 3111990), (6720, 3082352), (6960, 2976064), (7008, 2955680), (7105, 2915328), (7154, 2895360), (7168, 2889705), (7280, 2845248), (7424, 2790060), (7540, 2747136), (7592, 2728320), (7644, 2709760), (7665, 2702336), (7680, 2697058), (7840, 2642016), (7917, 2616320), (8120, 2550912), (8176, 2533440), (8320, 2489592), (8468, 2446080), (8526, 2429440), (8736, 2371040), (8760, 2364544), (8960, 2311764), (9048, 2289280), (9280, 2232048), (9344, 2216760), (9408, 2201680), (9490, 2182656), (9555, 2167808), (9744, 2125760), (9984, 2074660), (10192, 2032320), (10220, 2026752), (10556, 1962240), (10585, 1956864), (10731, 1930240), (10752, 1926470), (10920, 1896832), (11136, 1860040), (11310, 1831424), (11368, 1822080), (11388, 1818880), (11648, 1778280), (11680, 1773408), (11760, 1761344), (12064, 1716960), (12180, 1700608), (12264, 1688960), (12480, 1659728), (12544, 1651260), (12702, 1630720), (12740, 1625856), (12992, 1594320), (13195, 1569792), (13286, 1559040), (13312, 1555995), (13440, 1541176), (13920, 1488032), (14016, 1477840), (14210, 1457664), (14235, 1455104), (14308, 1447680), (14560, 1422624), (14819, 1397760), (14848, 1395030), (15080, 1373568), (15184, 1364160), (15288, 1354880), (15330, 1351168), (15360, 1348529), (15680, 1321008), (15834, 1308160), (16240, 1275456), (16352, 1266720), (16640, 1244796), (16936, 1223040), (17052, 1214720), (17472, 1185520), (17520, 1182272), (17885, 1158144), (17920, 1155882), (18096, 1144640), (18473, 1121280), (18560, 1116024), (18688, 1108380), (18816, 1100840), (18980, 1091328), (19110, 1083904), (19488, 1062880), (19929, 1039360), (19968, 1037330), (20384, 1016160), (20440, 1013376), (21112, 981120), (21170, 978432), (21315, 971776), (21462, 965120), (21504, 963235), (21840, 948416), (22272, 930020), (22620, 915712), (22736, 911040), (22776, 909440), (23296, 889140), (23360, 886704), (23520, 880672), (24128, 858480), (24360, 850304), (24528, 844480), (24960, 829864), (25088, 825630), (25404, 815360), (25480, 812928), (25984, 797160), (26390, 784896), (26572, 779520), (26880, 770588), (27521, 752640), (27840, 744016), (28032, 738920), (28420, 728832), (28470, 727552), (28616, 723840), (29120, 711312), (29638, 698880), (29696, 697515), (30160, 686784), (30368, 682080), (30576, 677440), (30660, 675584), (31360, 660504), (31668, 654080), (31755, 652288), (32480, 637728), (32704, 633360), (33215, 623616), (33280, 622398), (33872, 611520), (34104, 607360), (34944, 592760), (35040, 591136), (35770, 579072), (35840, 577941), (36192, 572320), (36946, 560640), (37120, 558012), (37376, 554190), (37632, 550420), (37960, 545664), (38220, 541952), (38976, 531440), (39585, 523264), (39858, 519680), (39936, 518665), (40768, 508080), (40880, 506688), (42224, 490560), (42340, 489216), (42630, 485888), (42924, 482560), (43680, 474208), (44457, 465920), (44544, 465010), (45240, 457856), (45472, 455520), (45552, 454720), (46501, 445440), (46592, 444570), (46720, 443352), (47040, 440336), (48256, 429240), (48720, 425152), (49056, 422240), (49920, 414932), (50176, 412815), (50808, 407680), (50960, 406464), (51968, 398580), (52780, 392448), (53144, 389760), (53655, 386048), (53760, 385294), (55042, 376320), (55419, 373760), (55680, 372008), (56064, 369460), (56840, 364416), (56940, 363776), (57232, 361920), (58240, 355656), (59276, 349440), (60320, 343392), (60736, 341040), (61152, 338720), (61320, 337792), (62720, 330252), (63336, 327040), (63510, 326144), (64960, 318864), (65408, 316680), (66430, 311808), (66560, 311199), (67744, 305760), (68208, 303680), (69888, 296380), (70080, 295568), (71540, 289536), (72384, 286160), (73892, 280320), (74095, 279552), (74240, 279006), (74752, 277095), (75264, 275210), (75920, 272832), (76440, 270976), (77952, 265720), (79170, 261632), (79716, 259840), (81536, 254040), (81760, 253344), (82563, 250880), (84448, 245280), (84680, 244608), (85260, 242944), (85848, 241280), (87360, 237104), (88914, 232960), (89088, 232505), (90480, 228928), (90944, 227760), (91104, 227360), (92365, 224256), (93002, 222720), (93184, 222285), (93440, 221676), (94080, 220168), (96512, 214620), (97440, 212576), (98112, 211120), (99645, 207872), (99840, 207466), (101616, 203840), (101920, 203232), (103733, 199680), (103936, 199290), (105560, 196224), (106288, 194880), (107310, 193024), (107520, 192647), (110084, 188160), (110838, 186880), (111360, 186004), (112128, 184730), (113680, 182208), (113880, 181888), (114464, 180960), (116480, 177828), (118552, 174720), (120640, 171696), (121472, 170520), (122304, 169360), (122640, 168896), (125440, 165126), (126672, 163520), (127020, 163072), (129920, 159432), (130816, 158340), (132860, 155904), (135488, 152880), (136416, 151840), (137605, 150528), (139503, 148480), (139776, 148190), (140160, 147784), (143080, 144768)]