20981018520

素因数分解:

$2^3\times 3^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{97}}^1$

素因数の和:175

約数の個数: 1152

約数和(自身を含む): 94619266560

約数和(自身を除く): 73638248040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 17, 18, 20, 21, 22, 24, 27, 28, 30, 33, 34, 35, 36, 40, 42, 44, 45, 51, 54, 55, 56, 60, 63, 66, 68, 70, 72, 77, 81, 84, 85, 88, 90, 97, 99, 102, 105, 108, 110, 119, 120, 126, 132, 135, 136, 140, 153, 154, 162, 165, 168, 170, 180, 187, 189, 194, 198, 204, 210, 216, 220, 231, 238, 243, 252, 255, 264, 270, 280, 289, 291, 297, 306, 308, 315, 324, 330, 340, 357, 360, 374, 378, 385, 388, 396, 405, 408, 420, 440, 459, 462, 476, 485, 486, 495, 504, 510, 540, 561, 567, 578, 582, 594, 595, 612, 616, 630, 648, 660, 679, 680, 693, 714, 748, 756, 765, 770, 776, 792, 810, 840, 867, 873, 891, 918, 924, 935, 945, 952, 970, 972, 990, 1020, 1067, 1071, 1080, 1122, 1134, 1155, 1156, 1164, 1188, 1190, 1215, 1224, 1260, 1309, 1320, 1358, 1377, 1386, 1428, 1445, 1455, 1485, 1496, 1512, 1530, 1540, 1620, 1649, 1683, 1701, 1734, 1746, 1782, 1785, 1836, 1848, 1870, 1890, 1940, 1944, 1980, 2023, 2037, 2040, 2079, 2134, 2142, 2244, 2268, 2295, 2310, 2312, 2328, 2376, 2380, 2430, 2520, 2601, 2618, 2619, 2673, 2716, 2754, 2772, 2805, 2835, 2856, 2890, 2910, 2970, 3060, 3080, 3179, 3201, 3213, 3240, 3298, 3366, 3395, 3402, 3465, 3468, 3492, 3564, 3570, 3672, 3740, 3780, 3880, 3927, 3960, 4046, 4074, 4131, 4158, 4268, 4284, 4335, 4365, 4455, 4488, 4536, 4590, 4620, 4760, 4860, 4947, 5049, 5202, 5236, 5238, 5335, 5346, 5355, 5432, 5508, 5544, 5610, 5670, 5780, 5820, 5940, 6069, 6111, 6120, 6237, 6358, 6402, 6426, 6545, 6596, 6732, 6790, 6804, 6885, 6930, 6936, 6984, 7128, 7140, 7469, 7480, 7560, 7803, 7854, 7857, 8092, 8148, 8245, 8262, 8316, 8415, 8505, 8536, 8568, 8670, 8730, 8910, 9180, 9240, 9537, 9603, 9639, 9720, 9894, 10098, 10115, 10185, 10395, 10404, 10472, 10476, 10670, 10692, 10710, 11016, 11220, 11340, 11543, 11560, 11640, 11781, 11880, 12138, 12222, 12474, 12716, 12804, 12852, 13005, 13090, 13095, 13192, 13365, 13464, 13580, 13608, 13770, 13860, 14280, 14841, 14938, 15147, 15606, 15708, 15714, 15895, 16005, 16065, 16184, 16296, 16490, 16524, 16632, 16830, 17010, 17340, 17460, 17820, 18139, 18207, 18333, 18360, 18711, 19074, 19206, 19278, 19635, 19788, 20196, 20230, 20370, 20655, 20790, 20808, 20952, 21340, 21384, 21420, 22253, 22407, 22440, 22680, 23086, 23409, 23562, 23571, 24276, 24444, 24735, 24948, 25245, 25432, 25608, 25704, 26010, 26180, 26190, 26730, 27160, 27540, 27720, 28033, 28611, 28809, 28917, 29682, 29876, 30294, 30345, 30555, 31185, 31212, 31416, 31428, 31790, 32010, 32130, 32980, 33048, 33660, 34020, 34629, 34680, 34920, 35343, 35640, 36278, 36414, 36666, 37345, 37422, 38148, 38412, 38556, 39015, 39270, 39285, 39576, 40392, 40460, 40740, 41310, 41580, 42680, 42840, 44506, 44523, 44814, 45441, 46172, 46818, 47124, 47142, 47685, 48015, 48195, 48552, 48888, 49470, 49896, 50490, 52020, 52360, 52380, 53460, 54417, 54621, 54999, 55080, 56066, 57222, 57618, 57715, 57834, 58905, 59364, 59752, 60588, 60690, 61110, 62370, 62424, 62856, 63580, 64020, 64260, 65960, 66759, 67221, 67320, 68040, 69258, 70227, 70686, 72556, 72828, 73332, 74205, 74690, 74844, 75735, 76296, 76824, 77112, 78030, 78540, 78570, 80920, 81480, 82620, 83160, 84099, 85833, 86427, 89012, 89046, 89628, 90695, 90882, 91035, 91665, 92344, 93555, 93636, 94248, 94284, 95370, 96030, 96390, 98940, 100980, 103887, 104040, 104760, 106029, 106920, 108834, 109242, 109998, 111265, 112035, 112132, 114444, 115236, 115430, 115668, 117045, 117810, 117855, 118728, 121176, 121380, 122220, 124740, 126973, 127160, 128040, 128520, 133518, 133569, 134442, 138516, 140165, 140454, 141372, 143055, 144045, 144585, 145112, 145656, 146664, 148410, 149380, 149688, 151470, 156060, 157080, 157140, 163251, 163863, 164997, 165240, 168198, 171666, 172854, 173145, 176715, 178024, 178092, 179256, 181390, 181764, 182070, 183330, 187110, 187272, 188568, 190740, 192060, 192780, 196231, 197880, 200277, 201663, 201960, 207774, 212058, 217668, 218484, 219996, 222530, 222615, 224070, 224264, 227205, 228888, 230472, 230860, 231336, 234090, 235620, 235710, 242760, 244440, 249480, 252297, 253946, 257499, 259281, 267036, 267138, 268884, 272085, 273105, 274995, 277032, 280330, 280908, 282744, 286110, 288090, 289170, 296820, 298760, 302940, 308363, 311661, 312120, 314280, 318087, 326502, 327726, 329994, 333795, 336105, 336396, 343332, 345708, 346290, 351135, 353430, 356184, 362780, 363528, 364140, 366660, 374220, 380919, 381480, 384120, 385560, 392462, 400554, 400707, 403326, 415548, 420495, 424116, 429165, 432135, 435336, 436968, 439992, 445060, 445230, 448140, 454410, 461720, 468180, 471240, 471420, 489753, 491589, 504594, 507892, 514998, 518562, 519435, 530145, 534072, 534276, 537768, 544170, 546210, 549990, 560660, 561816, 572220, 576180, 578340, 588693, 593640, 600831, 604989, 605880, 616726, 623322, 634865, 636174, 653004, 655452, 659988, 667590, 667845, 672210, 672792, 686664, 691416, 692580, 702270, 706860, 725560, 728280, 733320, 748440, 756891, 761838, 772497, 784924, 801108, 801414, 806652, 816255, 819315, 824985, 831096, 840990, 848232, 858330, 864270, 890120, 890460, 896280, 908820, 925089, 934983, 936360, 942840, 979506, 981155, 983178, 1001385, 1008315, 1009188, 1015784, 1029996, 1037124, 1038870, 1060290, 1068552, 1088340, 1092420, 1099980, 1121320, 1142757, 1144440, 1152360, 1156680, 1177386, 1201662, 1209978, 1233452, 1246644, 1261485, 1269730, 1272348, 1287495, 1296405, 1306008, 1310904, 1319976, 1335180, 1335690, 1344420, 1385160, 1404540, 1413720, 1469259, 1513782, 1523676, 1541815, 1544994, 1558305, 1569848, 1590435, 1602216, 1602828, 1613304, 1632510, 1638630, 1649970, 1681980, 1716660, 1728540, 1766079, 1780920, 1802493, 1814967, 1817640, 1850178, 1869966, 1904595, 1959012, 1962310, 1966356, 2002770, 2003535, 2016630, 2018376, 2059992, 2074248, 2077740, 2120580, 2158541, 2176680, 2184840, 2199960, 2270673, 2285514, 2354772, 2403324, 2419956, 2448765, 2457945, 2466904, 2493288, 2522970, 2539460, 2544696, 2574990, 2592810, 2670360, 2671380, 2688840, 2775267, 2804949, 2809080, 2938518, 2943465, 3004155, 3024945, 3027564, 3047352, 3083630, 3089988, 3116610, 3180870, 3205656, 3265020, 3277260, 3299940, 3363960, 3428271, 3433320, 3457080, 3532158, 3604986, 3629934, 3700356, 3739932, 3784455, 3809190, 3862485, 3918024, 3924620, 3932712, 4005540, 4007070, 4033260, 4155480, 4241160, 4317082, 4407777, 4541346, 4571028, 4625445, 4674915, 4709544, 4806648, 4839912, 4897530, 4915890, 5045940, 5078920, 5149980, 5185620, 5298237, 5342760, 5407479, 5550534, 5609898, 5713785, 5877036, 5886930, 6008310, 6049890, 6055128, 6167260, 6179976, 6233220, 6361740, 6475623, 6530040, 6554520, 6599880, 6812019, 6856542, 7064316, 7209972, 7259868, 7346295, 7400712, 7479864, 7568910, 7618380, 7724970, 7849240, 8011080, 8014140, 8066520, 8325801, 8634164, 8815554, 8830395, 9012465, 9074835, 9082692, 9142056, 9250890, 9349830, 9795060, 9831780, 10091880, 10284813, 10299960, 10371240, 10596474, 10792705, 10814958, 11101068, 11219796, 11353365, 11427570, 11754072, 11773860, 12016620, 12099780, 12334520, 12466440, 12723480, 12951246, 13624038, 13713084, 13876335, 14024745, 14128632, 14419944, 14519736, 14692590, 15137820, 15236760, 15449940, 15894711, 16028280, 16651602, 17141355, 17268328, 17631108, 17660790, 18024930, 18149670, 18165384, 18501780, 18699660, 19426869, 19590120, 19663560, 20569626, 21192948, 21585410, 21629916, 22038885, 22202136, 22439592, 22706730, 22855140, 23547720, 24033240, 24199560, 24977403, 25902492, 26491185, 27037395, 27248076, 27426168, 27752670, 28049490, 29385180, 30275640, 30854439, 30899880, 31789422, 32378115, 33303204, 34060095, 34282710, 35262216, 35321580, 36049860, 36299340, 37003560, 37399320, 38853738, 41139252, 41629005, 42385896, 43170820, 43259832, 44077770, 45413460, 45710280, 47684133, 49954806, 51424065, 51804984, 52982370, 54074790, 54496152, 55505340, 56098980, 58280607, 58770360, 61708878, 63578844, 64756230, 66606408, 68120190, 68565420, 70643160, 72099720, 72598680, 74932209, 77707476, 79473555, 82278504, 83258010, 86341640, 88155540, 90826920, 95368266, 97134345, 99909612, 102848130, 105964740, 108149580, 111010680, 112197960, 116561214, 123417756, 124887015, 127157688, 129512460, 136240380, 137130840, 149864418, 154272195, 155414952, 158947110, 166516020, 174841821, 176311080, 190736532, 194268690, 199819224, 205696260, 211929480, 216299160, 233122428, 238420665, 246835512, 249774030, 259024920, 272480760, 291403035, 299728836, 308544390, 317894220, 333032040, 349683642, 374661045, 381473064, 388537380, 411392520, 466244856, 476841330, 499548060, 524525463, 582806070, 599457672, 617088780, 635788440, 699367284, 749322090, 777074760, 874209105, 953682660, 999096120, 1049050926, 1165612140, 1234177560, 1398734568, 1498644180, 1748418210, 1907365320, 2098101852, 2331224280, 2622627315, 2997288360, 3496836420, 4196203704, 5245254630, 6993672840, 10490509260, 20981018520]

約数ペア:

[(1, 20981018520), (2, 10490509260), (3, 6993672840), (4, 5245254630), (5, 4196203704), (6, 3496836420), (7, 2997288360), (8, 2622627315), (9, 2331224280), (10, 2098101852), (11, 1907365320), (12, 1748418210), (14, 1498644180), (15, 1398734568), (17, 1234177560), (18, 1165612140), (20, 1049050926), (21, 999096120), (22, 953682660), (24, 874209105), (27, 777074760), (28, 749322090), (30, 699367284), (33, 635788440), (34, 617088780), (35, 599457672), (36, 582806070), (40, 524525463), (42, 499548060), (44, 476841330), (45, 466244856), (51, 411392520), (54, 388537380), (55, 381473064), (56, 374661045), (60, 349683642), (63, 333032040), (66, 317894220), (68, 308544390), (70, 299728836), (72, 291403035), (77, 272480760), (81, 259024920), (84, 249774030), (85, 246835512), (88, 238420665), (90, 233122428), (97, 216299160), (99, 211929480), (102, 205696260), (105, 199819224), (108, 194268690), (110, 190736532), (119, 176311080), (120, 174841821), (126, 166516020), (132, 158947110), (135, 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36049860), (594, 35321580), (595, 35262216), (612, 34282710), (616, 34060095), (630, 33303204), (648, 32378115), (660, 31789422), (679, 30899880), (680, 30854439), (693, 30275640), (714, 29385180), (748, 28049490), (756, 27752670), (765, 27426168), (770, 27248076), (776, 27037395), (792, 26491185), (810, 25902492), (840, 24977403), (867, 24199560), (873, 24033240), (891, 23547720), (918, 22855140), (924, 22706730), (935, 22439592), (945, 22202136), (952, 22038885), (970, 21629916), (972, 21585410), (990, 21192948), (1020, 20569626), (1067, 19663560), (1071, 19590120), (1080, 19426869), (1122, 18699660), (1134, 18501780), (1155, 18165384), (1156, 18149670), (1164, 18024930), (1188, 17660790), (1190, 17631108), (1215, 17268328), (1224, 17141355), (1260, 16651602), (1309, 16028280), (1320, 15894711), (1358, 15449940), (1377, 15236760), (1386, 15137820), (1428, 14692590), (1445, 14519736), (1455, 14419944), (1485, 14128632), (1496, 14024745), (1512, 13876335), (1530, 13713084), (1540, 13624038), (1620, 12951246), (1649, 12723480), (1683, 12466440), (1701, 12334520), (1734, 12099780), (1746, 12016620), (1782, 11773860), (1785, 11754072), (1836, 11427570), (1848, 11353365), (1870, 11219796), (1890, 11101068), (1940, 10814958), (1944, 10792705), (1980, 10596474), (2023, 10371240), (2037, 10299960), (2040, 10284813), (2079, 10091880), (2134, 9831780), (2142, 9795060), (2244, 9349830), (2268, 9250890), (2295, 9142056), (2310, 9082692), (2312, 9074835), (2328, 9012465), (2376, 8830395), (2380, 8815554), (2430, 8634164), (2520, 8325801), (2601, 8066520), (2618, 8014140), (2619, 8011080), (2673, 7849240), (2716, 7724970), (2754, 7618380), (2772, 7568910), (2805, 7479864), (2835, 7400712), (2856, 7346295), (2890, 7259868), (2910, 7209972), (2970, 7064316), (3060, 6856542), (3080, 6812019), (3179, 6599880), (3201, 6554520), (3213, 6530040), (3240, 6475623), (3298, 6361740), (3366, 6233220), (3395, 6179976), (3402, 6167260), (3465, 6055128), (3468, 6049890), (3492, 6008310), (3564, 5886930), (3570, 5877036), (3672, 5713785), (3740, 5609898), (3780, 5550534), (3880, 5407479), (3927, 5342760), (3960, 5298237), (4046, 5185620), (4074, 5149980), (4131, 5078920), (4158, 5045940), (4268, 4915890), (4284, 4897530), (4335, 4839912), (4365, 4806648), (4455, 4709544), (4488, 4674915), (4536, 4625445), (4590, 4571028), (4620, 4541346), (4760, 4407777), (4860, 4317082), (4947, 4241160), (5049, 4155480), (5202, 4033260), (5236, 4007070), (5238, 4005540), (5335, 3932712), (5346, 3924620), (5355, 3918024), (5432, 3862485), (5508, 3809190), (5544, 3784455), (5610, 3739932), (5670, 3700356), (5780, 3629934), (5820, 3604986), (5940, 3532158), (6069, 3457080), (6111, 3433320), (6120, 3428271), (6237, 3363960), (6358, 3299940), (6402, 3277260), (6426, 3265020), (6545, 3205656), (6596, 3180870), (6732, 3116610), (6790, 3089988), (6804, 3083630), (6885, 3047352), (6930, 3027564), (6936, 3024945), (6984, 3004155), (7128, 2943465), (7140, 2938518), (7469, 2809080), (7480, 2804949), (7560, 2775267), (7803, 2688840), (7854, 2671380), (7857, 2670360), (8092, 2592810), (8148, 2574990), (8245, 2544696), (8262, 2539460), (8316, 2522970), (8415, 2493288), (8505, 2466904), (8536, 2457945), (8568, 2448765), (8670, 2419956), (8730, 2403324), (8910, 2354772), (9180, 2285514), (9240, 2270673), (9537, 2199960), (9603, 2184840), (9639, 2176680), (9720, 2158541), (9894, 2120580), (10098, 2077740), (10115, 2074248), (10185, 2059992), (10395, 2018376), (10404, 2016630), (10472, 2003535), (10476, 2002770), (10670, 1966356), (10692, 1962310), (10710, 1959012), (11016, 1904595), (11220, 1869966), (11340, 1850178), (11543, 1817640), (11560, 1814967), (11640, 1802493), (11781, 1780920), (11880, 1766079), (12138, 1728540), (12222, 1716660), (12474, 1681980), (12716, 1649970), (12804, 1638630), (12852, 1632510), (13005, 1613304), (13090, 1602828), (13095, 1602216), (13192, 1590435), (13365, 1569848), (13464, 1558305), (13580, 1544994), (13608, 1541815), (13770, 1523676), 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