20821993920

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{373}}^1$

素因数の和:490

約数の個数: 896

約数和(自身を含む): 91925729280

約数和(自身を除く): 71103735360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 27, 28, 30, 32, 35, 36, 39, 40, 42, 45, 48, 52, 54, 56, 60, 63, 64, 65, 70, 71, 72, 78, 80, 84, 90, 91, 96, 104, 105, 108, 112, 117, 120, 126, 130, 135, 140, 142, 144, 156, 160, 168, 180, 182, 189, 192, 195, 208, 210, 213, 216, 224, 234, 240, 252, 260, 270, 273, 280, 284, 288, 312, 315, 320, 336, 351, 355, 360, 364, 373, 378, 390, 416, 420, 426, 432, 448, 455, 468, 480, 497, 504, 520, 540, 546, 560, 568, 576, 585, 624, 630, 639, 672, 702, 710, 720, 728, 746, 756, 780, 819, 832, 840, 852, 864, 910, 923, 936, 945, 960, 994, 1008, 1040, 1065, 1080, 1092, 1119, 1120, 1136, 1170, 1248, 1260, 1278, 1344, 1365, 1404, 1420, 1440, 1456, 1491, 1492, 1512, 1560, 1638, 1680, 1704, 1728, 1755, 1820, 1846, 1865, 1872, 1890, 1917, 1988, 2016, 2080, 2130, 2160, 2184, 2238, 2240, 2272, 2340, 2457, 2485, 2496, 2520, 2556, 2611, 2730, 2769, 2808, 2840, 2880, 2912, 2982, 2984, 3024, 3120, 3195, 3276, 3357, 3360, 3408, 3510, 3640, 3692, 3730, 3744, 3780, 3834, 3976, 4032, 4095, 4160, 4260, 4320, 4368, 4473, 4476, 4544, 4615, 4680, 4849, 4914, 4970, 5040, 5112, 5222, 5460, 5538, 5595, 5616, 5680, 5824, 5964, 5968, 6048, 6240, 6390, 6461, 6552, 6714, 6720, 6816, 7020, 7280, 7384, 7455, 7460, 7488, 7560, 7668, 7833, 7952, 8190, 8307, 8520, 8640, 8736, 8946, 8952, 9230, 9360, 9585, 9698, 9828, 9940, 10071, 10080, 10224, 10444, 10920, 11076, 11190, 11232, 11360, 11928, 11936, 12096, 12285, 12480, 12780, 12922, 13055, 13104, 13419, 13428, 13632, 13845, 14040, 14547, 14560, 14768, 14910, 14920, 15120, 15336, 15666, 15904, 16380, 16614, 16785, 17040, 17472, 17892, 17904, 18460, 18720, 19170, 19383, 19396, 19656, 19880, 20142, 20160, 20448, 20888, 21840, 22152, 22365, 22380, 22464, 22720, 23499, 23856, 23872, 24245, 24570, 24921, 25560, 25844, 26110, 26208, 26483, 26838, 26856, 27690, 28080, 29094, 29120, 29536, 29820, 29840, 30240, 30672, 31332, 31808, 32305, 32760, 33228, 33570, 33943, 34080, 35784, 35808, 36920, 37440, 38340, 38766, 38792, 39165, 39312, 39760, 40284, 40896, 41535, 41776, 43641, 43680, 44304, 44730, 44760, 46998, 47712, 48490, 49140, 49842, 50355, 51120, 51688, 52220, 52416, 52966, 53676, 53712, 55380, 56160, 58149, 58188, 59072, 59640, 59680, 60480, 61344, 62664, 64610, 65520, 66456, 67095, 67140, 67886, 68160, 70497, 71568, 71616, 72735, 73840, 76680, 77532, 77584, 78330, 78624, 79449, 79520, 80568, 83070, 83552, 87282, 87360, 88608, 89460, 89520, 93996, 95424, 96915, 96980, 98280, 99684, 100710, 101829, 102240, 103376, 104440, 105932, 107352, 107424, 110760, 112320, 116298, 116376, 117495, 119280, 119360, 122688, 124605, 125328, 129220, 130923, 131040, 132415, 132912, 134190, 134280, 135772, 140994, 143136, 145470, 147680, 153360, 155064, 155168, 156660, 157248, 158898, 159040, 161136, 166140, 167104, 169715, 174447, 174564, 177216, 178920, 179040, 185381, 187992, 193830, 193960, 196560, 199368, 201420, 203658, 204480, 206752, 208880, 211864, 214704, 214848, 218205, 221520, 232596, 232752, 234990, 238347, 238560, 249210, 250656, 258440, 261846, 262080, 264830, 265824, 268380, 268560, 271544, 281988, 286272, 290745, 290940, 295360, 305487, 306720, 310128, 310336, 313320, 317796, 322272, 332280, 339430, 344279, 348894, 349128, 352485, 357840, 358080, 370762, 375984, 387660, 387920, 393120, 397245, 398736, 402840, 407316, 413504, 417760, 423728, 429408, 436410, 443040, 465192, 465504, 469980, 476694, 477120, 498420, 501312, 509145, 516880, 523692, 529660, 531648, 536760, 537120, 543088, 556143, 563976, 581490, 581880, 610974, 613440, 620256, 626640, 635592, 644544, 654615, 664560, 678860, 688558, 697788, 698256, 704970, 715041, 715680, 741524, 751968, 775320, 775840, 786240, 794490, 797472, 805680, 814632, 835520, 847456, 858816, 872235, 872820, 886080, 916461, 926905, 930384, 931008, 939960, 953388, 996840, 1018290, 1032837, 1033760, 1047384, 1059320, 1073520, 1074240, 1086176, 1112286, 1127952, 1162980, 1163760, 1191735, 1221948, 1240512, 1253280, 1271184, 1309230, 1329120, 1357720, 1377116, 1395576, 1396512, 1409940, 1430082, 1431360, 1483048, 1503936, 1527435, 1550640, 1551680, 1588980, 1594944, 1611360, 1629264, 1668429, 1694912, 1721395, 1744470, 1745640, 1832922, 1853810, 1860768, 1879920, 1906776, 1993680, 2036580, 2065674, 2067520, 2094768, 2118640, 2147040, 2172352, 2224572, 2255904, 2325960, 2327520, 2383470, 2409953, 2443896, 2506560, 2542368, 2618460, 2658240, 2715440, 2754232, 2780715, 2791152, 2793024, 2819880, 2860164, 2966096, 3054870, 3098511, 3101280, 3177960, 3222720, 3258528, 3336858, 3442790, 3488940, 3491280, 3575205, 3665844, 3707620, 3721536, 3759840, 3813552, 3987360, 4073160, 4131348, 4189536, 4237280, 4294080, 4449144, 4511808, 4582305, 4651920, 4655040, 4766940, 4819906, 4887792, 5005287, 5084736, 5164185, 5236920, 5430880, 5508464, 5561430, 5582304, 5639760, 5720328, 5932192, 6109740, 6197022, 6202560, 6355920, 6517056, 6673716, 6885580, 6977880, 6982560, 7150410, 7229859, 7331688, 7415240, 7519680, 7627104, 7974720, 8146320, 8262696, 8342145, 8379072, 8474560, 8898288, 9164610, 9295533, 9303840, 9533880, 9639812, 9775584, 10010574, 10328370, 10473840, 10861760, 11016928, 11122860, 11164608, 11279520, 11440656, 11864384, 12049765, 12219480, 12394044, 12711840, 13347432, 13771160, 13955760, 13965120, 14300820, 14459718, 14663376, 14830480, 15254208, 15492555, 16292640, 16525392, 16684290, 17796576, 18329220, 18591066, 18607680, 19067760, 19279624, 19551168, 20021148, 20656740, 20947680, 21689577, 22033856, 22245720, 22559040, 22881312, 24099530, 24438960, 24788088, 25026435, 25423680, 26694864, 27542320, 27911520, 28601640, 28919436, 29326752, 29660960, 30985110, 32585280, 33050784, 33368580, 35593152, 36149295, 36658440, 37182132, 38135520, 38559248, 40042296, 41313480, 41895360, 43379154, 44491440, 45762624, 46477665, 48199060, 48877920, 49576176, 50052870, 53389728, 55084640, 55823040, 57203280, 57838872, 58653504, 59321920, 61970220, 65068731, 66101568, 66737160, 72298590, 73316880, 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約数ペア:

[(1, 20821993920), (2, 10410996960), (3, 6940664640), (4, 5205498480), (5, 4164398784), (6, 3470332320), (7, 2974570560), (8, 2602749240), (9, 2313554880), (10, 2082199392), (12, 1735166160), (13, 1601691840), (14, 1487285280), (15, 1388132928), (16, 1301374620), (18, 1156777440), (20, 1041099696), (21, 991523520), (24, 867583080), (26, 800845920), (27, 771184960), (28, 743642640), (30, 694066464), (32, 650687310), (35, 594914112), (36, 578388720), (39, 533897280), (40, 520549848), (42, 495761760), (45, 462710976), (48, 433791540), (52, 400422960), (54, 385592480), (56, 371821320), (60, 347033232), (63, 330507840), (64, 325343655), (65, 320338368), (70, 297457056), (71, 293267520), (72, 289194360), (78, 266948640), (80, 260274924), (84, 247880880), (90, 231355488), (91, 228813120), (96, 216895770), (104, 200211480), (105, 198304704), (108, 192796240), (112, 185910660), (117, 177965760), (120, 173516616), (126, 165253920), (130, 160169184), (135, 154236992), (140, 148728528), (142, 146633760), (144, 144597180), (156, 133474320), (160, 130137462), (168, 123940440), (180, 115677744), (182, 114406560), (189, 110169280), (192, 108447885), (195, 106779456), (208, 100105740), (210, 99152352), (213, 97755840), (216, 96398120), (224, 92955330), (234, 88982880), (240, 86758308), (252, 82626960), (260, 80084592), (270, 77118496), (273, 76271040), (280, 74364264), (284, 73316880), (288, 72298590), (312, 66737160), (315, 66101568), (320, 65068731), (336, 61970220), (351, 59321920), (355, 58653504), (360, 57838872), (364, 57203280), (373, 55823040), (378, 55084640), (390, 53389728), (416, 50052870), (420, 49576176), (426, 48877920), (432, 48199060), (448, 46477665), (455, 45762624), (468, 44491440), (480, 43379154), (497, 41895360), (504, 41313480), (520, 40042296), (540, 38559248), (546, 38135520), (560, 37182132), (568, 36658440), (576, 36149295), (585, 35593152), (624, 33368580), (630, 33050784), (639, 32585280), (672, 30985110), (702, 29660960), (710, 29326752), (720, 28919436), (728, 28601640), (746, 27911520), (756, 27542320), (780, 26694864), (819, 25423680), (832, 25026435), (840, 24788088), (852, 24438960), (864, 24099530), (910, 22881312), (923, 22559040), (936, 22245720), (945, 22033856), (960, 21689577), (994, 20947680), (1008, 20656740), (1040, 20021148), (1065, 19551168), (1080, 19279624), (1092, 19067760), (1119, 18607680), (1120, 18591066), (1136, 18329220), (1170, 17796576), (1248, 16684290), (1260, 16525392), (1278, 16292640), (1344, 15492555), (1365, 15254208), (1404, 14830480), (1420, 14663376), (1440, 14459718), (1456, 14300820), (1491, 13965120), (1492, 13955760), (1512, 13771160), (1560, 13347432), (1638, 12711840), (1680, 12394044), (1704, 12219480), (1728, 12049765), (1755, 11864384), (1820, 11440656), (1846, 11279520), (1865, 11164608), (1872, 11122860), (1890, 11016928), (1917, 10861760), (1988, 10473840), (2016, 10328370), (2080, 10010574), (2130, 9775584), (2160, 9639812), (2184, 9533880), (2238, 9303840), (2240, 9295533), (2272, 9164610), (2340, 8898288), (2457, 8474560), (2485, 8379072), (2496, 8342145), (2520, 8262696), (2556, 8146320), (2611, 7974720), (2730, 7627104), (2769, 7519680), (2808, 7415240), (2840, 7331688), (2880, 7229859), (2912, 7150410), (2982, 6982560), (2984, 6977880), (3024, 6885580), (3120, 6673716), (3195, 6517056), (3276, 6355920), (3357, 6202560), (3360, 6197022), (3408, 6109740), (3510, 5932192), (3640, 5720328), (3692, 5639760), (3730, 5582304), (3744, 5561430), (3780, 5508464), (3834, 5430880), (3976, 5236920), (4032, 5164185), (4095, 5084736), (4160, 5005287), (4260, 4887792), (4320, 4819906), (4368, 4766940), (4473, 4655040), (4476, 4651920), (4544, 4582305), (4615, 4511808), (4680, 4449144), (4849, 4294080), (4914, 4237280), (4970, 4189536), (5040, 4131348), (5112, 4073160), (5222, 3987360), (5460, 3813552), (5538, 3759840), (5595, 3721536), (5616, 3707620), (5680, 3665844), (5824, 3575205), (5964, 3491280), (5968, 3488940), (6048, 3442790), (6240, 3336858), (6390, 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(35784, 581880), (35808, 581490), (36920, 563976), (37440, 556143), (38340, 543088), (38766, 537120), (38792, 536760), (39165, 531648), (39312, 529660), (39760, 523692), (40284, 516880), (40896, 509145), (41535, 501312), (41776, 498420), (43641, 477120), (43680, 476694), (44304, 469980), (44730, 465504), (44760, 465192), (46998, 443040), (47712, 436410), (48490, 429408), (49140, 423728), (49842, 417760), (50355, 413504), (51120, 407316), (51688, 402840), (52220, 398736), (52416, 397245), (52966, 393120), (53676, 387920), (53712, 387660), (55380, 375984), (56160, 370762), (58149, 358080), (58188, 357840), (59072, 352485), (59640, 349128), (59680, 348894), (60480, 344279), (61344, 339430), (62664, 332280), (64610, 322272), (65520, 317796), (66456, 313320), (67095, 310336), (67140, 310128), (67886, 306720), (68160, 305487), (70497, 295360), (71568, 290940), (71616, 290745), (72735, 286272), (73840, 281988), (76680, 271544), (77532, 268560), (77584, 268380), (78330, 265824), (78624, 264830), (79449, 262080), (79520, 261846), (80568, 258440), (83070, 250656), (83552, 249210), (87282, 238560), (87360, 238347), (88608, 234990), (89460, 232752), (89520, 232596), (93996, 221520), (95424, 218205), (96915, 214848), (96980, 214704), (98280, 211864), (99684, 208880), (100710, 206752), (101829, 204480), (102240, 203658), (103376, 201420), (104440, 199368), (105932, 196560), (107352, 193960), (107424, 193830), (110760, 187992), (112320, 185381), (116298, 179040), (116376, 178920), (117495, 177216), (119280, 174564), (119360, 174447), (122688, 169715), (124605, 167104), (125328, 166140), (129220, 161136), (130923, 159040), (131040, 158898), (132415, 157248), (132912, 156660), (134190, 155168), (134280, 155064), (135772, 153360), (140994, 147680), (143136, 145470)]