20411674920

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:719

約数の個数: 1024

約数和(自身を含む): 93477888000

約数和(自身を除く): 73066213080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 17, 18, 19, 20, 21, 24, 26, 27, 28, 30, 34, 35, 36, 38, 39, 40, 42, 45, 51, 52, 54, 56, 57, 60, 63, 65, 68, 70, 72, 76, 78, 84, 85, 90, 91, 95, 102, 104, 105, 108, 114, 117, 119, 120, 126, 130, 133, 135, 136, 140, 152, 153, 156, 168, 170, 171, 180, 182, 189, 190, 195, 204, 210, 216, 221, 228, 234, 238, 247, 252, 255, 260, 266, 270, 273, 280, 285, 306, 312, 315, 323, 340, 342, 351, 357, 360, 364, 378, 380, 390, 399, 408, 420, 442, 455, 456, 459, 468, 476, 494, 504, 510, 513, 520, 532, 540, 546, 570, 585, 595, 612, 630, 643, 646, 663, 665, 680, 684, 702, 714, 728, 741, 756, 760, 765, 780, 798, 819, 840, 855, 884, 910, 918, 936, 945, 952, 969, 988, 1020, 1026, 1064, 1071, 1080, 1092, 1105, 1140, 1170, 1190, 1197, 1224, 1235, 1260, 1286, 1292, 1326, 1330, 1365, 1368, 1404, 1428, 1482, 1512, 1530, 1547, 1560, 1596, 1615, 1638, 1710, 1729, 1755, 1768, 1785, 1820, 1836, 1890, 1929, 1938, 1976, 1989, 1995, 2040, 2052, 2142, 2184, 2210, 2223, 2261, 2280, 2295, 2340, 2380, 2394, 2457, 2470, 2520, 2565, 2572, 2584, 2652, 2660, 2730, 2808, 2856, 2907, 2964, 3060, 3094, 3192, 3213, 3215, 3230, 3276, 3315, 3420, 3458, 3510, 3570, 3591, 3640, 3672, 3705, 3780, 3858, 3876, 3978, 3990, 4095, 4104, 4199, 4284, 4420, 4446, 4501, 4522, 4590, 4641, 4680, 4760, 4788, 4845, 4914, 4940, 5130, 5144, 5187, 5304, 5320, 5355, 5460, 5787, 5814, 5928, 5967, 5985, 6120, 6188, 6426, 6430, 6460, 6552, 6630, 6669, 6783, 6840, 6916, 7020, 7140, 7182, 7410, 7560, 7716, 7735, 7752, 7956, 7980, 8190, 8359, 8398, 8568, 8645, 8721, 8840, 8892, 9002, 9044, 9180, 9282, 9576, 9645, 9690, 9828, 9880, 9945, 10260, 10374, 10710, 10920, 10931, 11115, 11305, 11574, 11628, 11934, 11970, 12217, 12285, 12376, 12597, 12852, 12860, 12920, 13260, 13338, 13503, 13566, 13832, 13923, 14040, 14280, 14364, 14535, 14820, 15432, 15470, 15561, 15912, 15960, 16065, 16380, 16718, 16796, 17290, 17361, 17442, 17784, 17955, 18004, 18088, 18360, 18564, 19290, 19380, 19656, 19890, 20349, 20520, 20748, 20995, 21420, 21862, 22230, 22505, 22610, 23148, 23205, 23256, 23868, 23940, 24434, 24570, 25077, 25194, 25704, 25720, 25935, 26520, 26676, 27006, 27132, 27846, 28728, 28935, 29070, 29393, 29640, 29835, 30940, 31122, 32130, 32760, 32793, 33345, 33436, 33592, 33915, 34580, 34722, 34884, 35910, 36008, 36651, 37128, 37791, 38580, 38760, 39780, 40509, 40698, 41496, 41769, 41795, 41990, 42840, 43605, 43724, 44460, 45010, 45220, 46296, 46410, 46683, 47736, 47880, 48868, 49140, 50154, 50388, 51870, 53352, 54012, 54264, 54655, 55692, 57870, 58140, 58513, 58786, 59670, 61047, 61085, 61880, 62244, 62985, 64260, 65586, 66690, 66872, 67515, 67830, 69160, 69444, 69615, 69768, 71820, 73302, 75231, 75582, 76517, 77160, 77805, 79560, 81018, 81396, 83538, 83590, 83980, 85519, 86805, 87210, 87448, 88179, 88920, 90020, 90440, 92820, 93366, 97736, 98280, 98379, 100308, 100776, 101745, 103740, 108024, 109310, 109953, 111384, 113373, 115740, 116280, 117026, 117572, 119340, 121527, 122094, 122170, 124488, 125385, 125970, 128520, 131172, 133380, 135030, 135660, 138888, 139230, 142103, 143640, 146604, 146965, 150462, 151164, 153034, 155610, 158821, 162036, 162792, 163965, 167076, 167180, 167960, 171038, 173610, 174420, 175539, 176358, 180040, 183255, 185640, 186732, 188955, 196758, 200616, 202545, 203490, 207480, 207689, 208845, 218620, 219906, 225693, 226746, 229551, 231480, 233415, 234052, 235144, 238680, 243054, 244188, 244340, 250770, 251940, 256557, 262344, 264537, 266760, 270060, 271320, 278460, 284206, 292565, 293208, 293930, 295137, 300924, 302328, 305235, 306068, 311220, 317642, 324072, 327930, 329859, 334152, 334360, 342076, 347220, 348840, 351078, 352716, 366510, 373464, 376155, 377910, 382585, 393516, 405090, 406980, 415378, 417690, 426309, 427595, 437240, 439812, 440895, 451386, 453492, 459102, 466830, 468104, 476463, 486108, 488376, 488680, 491895, 501540, 503880, 513114, 526617, 529074, 540120, 549765, 556920, 566865, 568412, 585130, 587860, 590274, 601848, 607635, 610470, 612136, 622440, 623067, 635284, 655860, 659718, 684152, 688653, 694440, 702156, 705432, 710515, 733020, 752310, 755820, 765170, 769671, 787032, 793611, 794105, 810180, 813960, 830756, 835380, 852618, 855190, 877695, 879624, 881790, 902772, 906984, 918204, 933660, 952926, 972216, 983790, 994721, 1003080, 1026228, 1038445, 1053234, 1058148, 1099530, 1111747, 1128465, 1133730, 1136824, 1147755, 1170260, 1175720, 1180548, 1215270, 1220940, 1246134, 1270568, 1278927, 1282785, 1311720, 1319436, 1322685, 1377306, 1404312, 1421030, 1429389, 1453823, 1466040, 1475685, 1504620, 1511640, 1530340, 1539342, 1579851, 1587222, 1588210, 1620360, 1649295, 1661512, 1670760, 1705236, 1710380, 1755390, 1763580, 1805544, 1836408, 1867320, 1869201, 1905852, 1967580, 1989442, 2052456, 2065959, 2076890, 2106468, 2116296, 2131545, 2199060, 2223494, 2256930, 2267460, 2295510, 2309013, 2340520, 2361096, 2382315, 2430540, 2441880, 2492268, 2557854, 2565570, 2633085, 2638872, 2645370, 2699957, 2754612, 2842060, 2858778, 2907646, 2951370, 2984163, 3009240, 3060680, 3078684, 3115335, 3159702, 3174444, 3176420, 3298590, 3335241, 3410472, 3420760, 3443265, 3510780, 3527160, 3738402, 3811704, 3836781, 3848355, 3935160, 3968055, 3978884, 4131918, 4153780, 4212936, 4263090, 4288167, 4361469, 4398120, 4446988, 4513860, 4534920, 4591020, 4618026, 4764630, 4861080, 4973605, 4984536, 5115708, 5131140, 5266170, 5290740, 5399914, 5509224, 5558735, 5607603, 5684120, 5717556, 5815292, 5902740, 5968326, 6157368, 6230670, 6319404, 6348888, 6352840, 6394635, 6597180, 6670482, 6886530, 7021560, 7146945, 7269115, 7476804, 7673562, 7696710, 7899255, 7936110, 7957768, 8099871, 8263836, 8307560, 8526180, 8576334, 8722938, 8893976, 8952489, 9027720, 9182040, 9236052, 9346005, 9529260, 9947210, 10005723, 10231416, 10262280, 10329795, 10532340, 10581480, 10799828, 11117470, 11215206, 11435112, 11545065, 11630584, 11805480, 11936652, 12461340, 12638808, 12789270, 13084407, 13194360, 13340964, 13499785, 13773060, 14293890, 14538230, 14920815, 14953608, 15347124, 15393420, 15798510, 15872220, 16199742, 16527672, 16676205, 17052360, 17152668, 17445876, 17904978, 18472104, 18692010, 18899699, 19058520, 19183905, 19894420, 20011446, 20659590, 21064680, 21440835, 21599656, 21807345, 22234940, 22430412, 23090130, 23873304, 24299613, 24922680, 25578540, 26168814, 26681928, 26857467, 26999570, 27546120, 28038015, 28587780, 29076460, 29841630, 30017169, 30694248, 30786840, 31597020, 31744440, 32399484, 33352410, 34305336, 34891752, 35809956, 37384020, 37799398, 38367810, 39253221, 39788840, 40022892, 40499355, 41319180, 42881670, 43614690, 44469880, 44762445, 44860824, 46180260, 48599226, 50028615, 51157080, 52337628, 53714934, 53999140, 56076030, 56699097, 57175560, 58152920, 59683260, 60034338, 63194040, 64798968, 65422035, 66704820, 71619912, 72898839, 74768040, 75598796, 76735620, 78506442, 80045784, 80998710, 82638360, 85763340, 87229380, 89524890, 92360520, 94498495, 97198452, 100057230, 104675256, 107429868, 107998280, 112152060, 113398194, 119366520, 120068676, 121498065, 130844070, 133409640, 134287335, 145797678, 150085845, 151197592, 153471240, 157012884, 161997420, 170097291, 171526680, 174458760, 179049780, 188996990, 194396904, 196266105, 200114460, 214859736, 224304120, 226796388, 240137352, 242996130, 261688140, 268574670, 283495485, 291595356, 300171690, 314025768, 323994840, 340194582, 358099560, 364494195, 377993980, 392532210, 400228920, 453592776, 485992260, 510291873, 523376280, 537149340, 566990970, 583190712, 600343380, 680389164, 728988390, 755987960, 785064420, 850486455, 971984520, 1020583746, 1074298680, 1133981940, 1200686760, 1360778328, 1457976780, 1570128840, 1700972910, 2041167492, 2267963880, 2551459365, 2915953560, 3401945820, 4082334984, 5102918730, 6803891640, 10205837460, 20411674920]

約数ペア:

[(1, 20411674920), (2, 10205837460), (3, 6803891640), (4, 5102918730), (5, 4082334984), (6, 3401945820), (7, 2915953560), (8, 2551459365), (9, 2267963880), (10, 2041167492), (12, 1700972910), (13, 1570128840), (14, 1457976780), (15, 1360778328), (17, 1200686760), (18, 1133981940), (19, 1074298680), (20, 1020583746), (21, 971984520), (24, 850486455), (26, 785064420), (27, 755987960), (28, 728988390), (30, 680389164), (34, 600343380), (35, 583190712), (36, 566990970), (38, 537149340), (39, 523376280), (40, 510291873), (42, 485992260), (45, 453592776), (51, 400228920), (52, 392532210), (54, 377993980), (56, 364494195), (57, 358099560), (60, 340194582), (63, 323994840), (65, 314025768), (68, 300171690), (70, 291595356), (72, 283495485), (76, 268574670), (78, 261688140), (84, 242996130), (85, 240137352), (90, 226796388), (91, 224304120), (95, 214859736), (102, 200114460), (104, 196266105), (105, 194396904), (108, 188996990), (114, 179049780), (117, 174458760), (119, 171526680), (120, 170097291), (126, 161997420), (130, 157012884), (133, 153471240), (135, 151197592), (136, 150085845), (140, 145797678), (152, 134287335), (153, 133409640), (156, 130844070), (168, 121498065), (170, 120068676), (171, 119366520), (180, 113398194), (182, 112152060), (189, 107998280), (190, 107429868), (195, 104675256), (204, 100057230), (210, 97198452), (216, 94498495), (221, 92360520), (228, 89524890), (234, 87229380), (238, 85763340), (247, 82638360), (252, 80998710), (255, 80045784), (260, 78506442), (266, 76735620), (270, 75598796), (273, 74768040), (280, 72898839), (285, 71619912), (306, 66704820), (312, 65422035), (315, 64798968), (323, 63194040), (340, 60034338), (342, 59683260), (351, 58152920), (357, 57175560), (360, 56699097), (364, 56076030), (378, 53999140), (380, 53714934), (390, 52337628), (399, 51157080), (408, 50028615), (420, 48599226), (442, 46180260), (455, 44860824), (456, 44762445), (459, 44469880), (468, 43614690), (476, 42881670), (494, 41319180), (504, 40499355), (510, 40022892), (513, 39788840), (520, 39253221), (532, 38367810), (540, 37799398), (546, 37384020), (570, 35809956), (585, 34891752), (595, 34305336), (612, 33352410), (630, 32399484), (643, 31744440), (646, 31597020), (663, 30786840), (665, 30694248), (680, 30017169), (684, 29841630), (702, 29076460), (714, 28587780), (728, 28038015), (741, 27546120), (756, 26999570), (760, 26857467), (765, 26681928), (780, 26168814), (798, 25578540), (819, 24922680), (840, 24299613), (855, 23873304), (884, 23090130), (910, 22430412), (918, 22234940), (936, 21807345), (945, 21599656), (952, 21440835), (969, 21064680), (988, 20659590), (1020, 20011446), (1026, 19894420), (1064, 19183905), (1071, 19058520), (1080, 18899699), (1092, 18692010), (1105, 18472104), (1140, 17904978), (1170, 17445876), (1190, 17152668), (1197, 17052360), (1224, 16676205), (1235, 16527672), (1260, 16199742), (1286, 15872220), (1292, 15798510), (1326, 15393420), (1330, 15347124), (1365, 14953608), (1368, 14920815), (1404, 14538230), (1428, 14293890), (1482, 13773060), (1512, 13499785), (1530, 13340964), (1547, 13194360), (1560, 13084407), (1596, 12789270), (1615, 12638808), (1638, 12461340), (1710, 11936652), (1729, 11805480), (1755, 11630584), (1768, 11545065), (1785, 11435112), (1820, 11215206), (1836, 11117470), (1890, 10799828), (1929, 10581480), (1938, 10532340), (1976, 10329795), (1989, 10262280), (1995, 10231416), (2040, 10005723), (2052, 9947210), (2142, 9529260), (2184, 9346005), (2210, 9236052), (2223, 9182040), (2261, 9027720), (2280, 8952489), (2295, 8893976), (2340, 8722938), (2380, 8576334), (2394, 8526180), (2457, 8307560), (2470, 8263836), (2520, 8099871), (2565, 7957768), (2572, 7936110), (2584, 7899255), (2652, 7696710), (2660, 7673562), (2730, 7476804), (2808, 7269115), (2856, 7146945), (2907, 7021560), (2964, 6886530), (3060, 6670482), (3094, 6597180), (3192, 6394635), (3213, 6352840), (3215, 6348888), (3230, 6319404), (3276, 6230670), (3315, 6157368), (3420, 5968326), (3458, 5902740), (3510, 5815292), (3570, 5717556), (3591, 5684120), (3640, 5607603), (3672, 5558735), (3705, 5509224), (3780, 5399914), (3858, 5290740), (3876, 5266170), (3978, 5131140), (3990, 5115708), (4095, 4984536), (4104, 4973605), (4199, 4861080), (4284, 4764630), (4420, 4618026), (4446, 4591020), (4501, 4534920), (4522, 4513860), (4590, 4446988), (4641, 4398120), (4680, 4361469), (4760, 4288167), (4788, 4263090), (4845, 4212936), (4914, 4153780), (4940, 4131918), (5130, 3978884), (5144, 3968055), (5187, 3935160), (5304, 3848355), (5320, 3836781), (5355, 3811704), (5460, 3738402), (5787, 3527160), (5814, 3510780), (5928, 3443265), (5967, 3420760), (5985, 3410472), (6120, 3335241), (6188, 3298590), (6426, 3176420), (6430, 3174444), (6460, 3159702), (6552, 3115335), (6630, 3078684), (6669, 3060680), (6783, 3009240), (6840, 2984163), (6916, 2951370), (7020, 2907646), (7140, 2858778), (7182, 2842060), (7410, 2754612), (7560, 2699957), (7716, 2645370), (7735, 2638872), (7752, 2633085), (7956, 2565570), (7980, 2557854), (8190, 2492268), (8359, 2441880), (8398, 2430540), (8568, 2382315), (8645, 2361096), (8721, 2340520), (8840, 2309013), (8892, 2295510), (9002, 2267460), (9044, 2256930), (9180, 2223494), (9282, 2199060), (9576, 2131545), (9645, 2116296), (9690, 2106468), (9828, 2076890), (9880, 2065959), (9945, 2052456), (10260, 1989442), (10374, 1967580), (10710, 1905852), (10920, 1869201), (10931, 1867320), (11115, 1836408), (11305, 1805544), (11574, 1763580), (11628, 1755390), (11934, 1710380), (11970, 1705236), (12217, 1670760), (12285, 1661512), (12376, 1649295), (12597, 1620360), (12852, 1588210), (12860, 1587222), (12920, 1579851), (13260, 1539342), (13338, 1530340), (13503, 1511640), (13566, 1504620), (13832, 1475685), (13923, 1466040), (14040, 1453823), (14280, 1429389), (14364, 1421030), (14535, 1404312), (14820, 1377306), (15432, 1322685), (15470, 1319436), (15561, 1311720), (15912, 1282785), (15960, 1278927), (16065, 1270568), (16380, 1246134), (16718, 1220940), (16796, 1215270), (17290, 1180548), (17361, 1175720), (17442, 1170260), (17784, 1147755), (17955, 1136824), (18004, 1133730), (18088, 1128465), (18360, 1111747), (18564, 1099530), (19290, 1058148), (19380, 1053234), (19656, 1038445), (19890, 1026228), (20349, 1003080), (20520, 994721), (20748, 983790), (20995, 972216), (21420, 952926), (21862, 933660), (22230, 918204), (22505, 906984), (22610, 902772), (23148, 881790), (23205, 879624), (23256, 877695), (23868, 855190), (23940, 852618), (24434, 835380), (24570, 830756), (25077, 813960), (25194, 810180), (25704, 794105), (25720, 793611), (25935, 787032), (26520, 769671), (26676, 765170), (27006, 755820), (27132, 752310), (27846, 733020), (28728, 710515), (28935, 705432), (29070, 702156), (29393, 694440), (29640, 688653), (29835, 684152), (30940, 659718), (31122, 655860), (32130, 635284), (32760, 623067), (32793, 622440), (33345, 612136), (33436, 610470), (33592, 607635), (33915, 601848), (34580, 590274), (34722, 587860), (34884, 585130), (35910, 568412), (36008, 566865), (36651, 556920), (37128, 549765), (37791, 540120), (38580, 529074), (38760, 526617), (39780, 513114), (40509, 503880), (40698, 501540), (41496, 491895), (41769, 488680), (41795, 488376), (41990, 486108), (42840, 476463), (43605, 468104), (43724, 466830), (44460, 459102), (45010, 453492), (45220, 451386), (46296, 440895), (46410, 439812), (46683, 437240), (47736, 427595), (47880, 426309), (48868, 417690), (49140, 415378), (50154, 406980), (50388, 405090), (51870, 393516), (53352, 382585), (54012, 377910), (54264, 376155), (54655, 373464), (55692, 366510), (57870, 352716), (58140, 351078), (58513, 348840), (58786, 347220), (59670, 342076), (61047, 334360), (61085, 334152), (61880, 329859), (62244, 327930), (62985, 324072), (64260, 317642), (65586, 311220), (66690, 306068), (66872, 305235), (67515, 302328), (67830, 300924), (69160, 295137), (69444, 293930), (69615, 293208), (69768, 292565), (71820, 284206), (73302, 278460), (75231, 271320), (75582, 270060), (76517, 266760), (77160, 264537), (77805, 262344), (79560, 256557), (81018, 251940), (81396, 250770), (83538, 244340), (83590, 244188), (83980, 243054), (85519, 238680), (86805, 235144), (87210, 234052), (87448, 233415), (88179, 231480), (88920, 229551), (90020, 226746), (90440, 225693), (92820, 219906), (93366, 218620), (97736, 208845), (98280, 207689), (98379, 207480), (100308, 203490), (100776, 202545), (101745, 200616), (103740, 196758), (108024, 188955), (109310, 186732), (109953, 185640), (111384, 183255), (113373, 180040), (115740, 176358), (116280, 175539), (117026, 174420), (117572, 173610), (119340, 171038), (121527, 167960), (122094, 167180), (122170, 167076), (124488, 163965), (125385, 162792), (125970, 162036), (128520, 158821), (131172, 155610), (133380, 153034), (135030, 151164), (135660, 150462), (138888, 146965), (139230, 146604), (142103, 143640)]