20991035520

素因数分解:

$2^7\times 3^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1907}}^1$

素因数の和:1962

約数の個数: 768

約数和(自身を含む): 93182140800

約数和(自身を除く): 72191105280

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, 49, 52, 54, 56, 60, 63, 64, 65, 70, 72, 78, 80, 84, 90, 91, 96, 98, 104, 105, 108, 112, 117, 120, 126, 128, 130, 135, 140, 144, 147, 156, 160, 168, 180, 182, 189, 192, 195, 196, 208, 210, 216, 224, 234, 240, 245, 252, 260, 270, 273, 280, 288, 294, 312, 315, 320, 336, 351, 360, 364, 378, 384, 390, 392, 416, 420, 432, 441, 448, 455, 468, 480, 490, 504, 520, 540, 546, 560, 576, 585, 588, 624, 630, 637, 640, 672, 702, 720, 728, 735, 756, 780, 784, 819, 832, 840, 864, 882, 896, 910, 936, 945, 960, 980, 1008, 1040, 1080, 1092, 1120, 1152, 1170, 1176, 1248, 1260, 1274, 1323, 1344, 1365, 1404, 1440, 1456, 1470, 1512, 1560, 1568, 1638, 1664, 1680, 1728, 1755, 1764, 1820, 1872, 1890, 1907, 1911, 1920, 1960, 2016, 2080, 2160, 2184, 2205, 2240, 2340, 2352, 2457, 2496, 2520, 2548, 2646, 2688, 2730, 2808, 2880, 2912, 2940, 3024, 3120, 3136, 3185, 3276, 3360, 3456, 3510, 3528, 3640, 3744, 3780, 3814, 3822, 3920, 4032, 4095, 4160, 4320, 4368, 4410, 4480, 4680, 4704, 4914, 4992, 5040, 5096, 5292, 5460, 5616, 5721, 5733, 5760, 5824, 5880, 6048, 6240, 6272, 6370, 6552, 6615, 6720, 7020, 7056, 7280, 7488, 7560, 7628, 7644, 7840, 8064, 8190, 8320, 8640, 8736, 8820, 9360, 9408, 9535, 9555, 9828, 10080, 10192, 10584, 10920, 11232, 11442, 11466, 11648, 11760, 12096, 12285, 12480, 12740, 13104, 13230, 13349, 13440, 14040, 14112, 14560, 14976, 15120, 15256, 15288, 15680, 16380, 17163, 17199, 17280, 17472, 17640, 18720, 18816, 19070, 19110, 19656, 20160, 20384, 21168, 21840, 22464, 22884, 22932, 23520, 24192, 24570, 24791, 24960, 25480, 26208, 26460, 26698, 28080, 28224, 28605, 28665, 29120, 30240, 30512, 30576, 31360, 32760, 34326, 34398, 34944, 35280, 37440, 38140, 38220, 39312, 40047, 40320, 40768, 42336, 43680, 44928, 45768, 45864, 47040, 49140, 49582, 50960, 51489, 52416, 52920, 53396, 56160, 56448, 57210, 57330, 58240, 60480, 61024, 61152, 65520, 66745, 68652, 68796, 70560, 74373, 74880, 76280, 76440, 78624, 80094, 81536, 84672, 85815, 85995, 87360, 91536, 91728, 93443, 94080, 98280, 99164, 101920, 102978, 104832, 105840, 106792, 112320, 114420, 114660, 120141, 120960, 122048, 122304, 123955, 131040, 133490, 137304, 137592, 141120, 148746, 152560, 152880, 157248, 160188, 169344, 171630, 171990, 173537, 174720, 183072, 183456, 186886, 196560, 198328, 200235, 203840, 205956, 211680, 213584, 223119, 224640, 228840, 229320, 240282, 244096, 244608, 247910, 257445, 262080, 266980, 274608, 275184, 280329, 282240, 297492, 305120, 305760, 314496, 320376, 343260, 343980, 347074, 360423, 366144, 366912, 371865, 373772, 393120, 396656, 400470, 407680, 411912, 423360, 427168, 446238, 457680, 458640, 467215, 480564, 495820, 514890, 520611, 524160, 533960, 549216, 550368, 560658, 594984, 600705, 610240, 611520, 640752, 669357, 686520, 687960, 694148, 720846, 732288, 733824, 743730, 747544, 786240, 793312, 800940, 823824, 840987, 846720, 854336, 867685, 892476, 915360, 917280, 934430, 961128, 991640, 1029780, 1041222, 1067920, 1098432, 1100736, 1115595, 1121316, 1189968, 1201410, 1214759, 1220480, 1223040, 1281504, 1338714, 1373040, 1375920, 1388296, 1401645, 1441692, 1487460, 1495088, 1561833, 1572480, 1586624, 1601880, 1647648, 1681974, 1708672, 1735370, 1784952, 1802115, 1830720, 1834560, 1868860, 1922256, 1983280, 2059560, 2082444, 2135840, 2196864, 2201472, 2231190, 2242632, 2379936, 2402820, 2429518, 2522961, 2563008, 2603055, 2677428, 2746080, 2751840, 2776592, 2803290, 2883384, 2974920, 2990176, 3123666, 3173248, 3203760, 3295296, 3346785, 3363948, 3470740, 3569904, 3604230, 3644277, 3661440, 3669120, 3737720, 3844512, 3966560, 4119120, 4164888, 4204935, 4271680, 4462380, 4485264, 4685499, 4759872, 4805640, 4859036, 5045922, 5126016, 5206110, 5354856, 5492160, 5503680, 5553184, 5606580, 5766768, 5949840, 5980352, 6073795, 6247332, 6407520, 6590592, 6693570, 6727896, 6941480, 7139808, 7208460, 7288554, 7475440, 7689024, 7809165, 7933120, 8238240, 8329776, 8409870, 8543360, 8924760, 8970528, 9370998, 9519744, 9611280, 9718072, 10091844, 10412220, 10709712, 10932831, 10984320, 11007360, 11106368, 11213160, 11533536, 11899680, 11960704, 12147590, 12494664, 12614805, 12815040, 13387140, 13455792, 13882960, 14279616, 14416920, 14577108, 14950880, 15378048, 15618330, 15866240, 16476480, 16659552, 16819740, 17849520, 17941056, 18221385, 18741996, 19222560, 19436144, 20183688, 20824440, 21419424, 21865662, 22212736, 22426320, 23067072, 23427495, 23799360, 24295180, 24989328, 25229610, 25630080, 26774280, 26911584, 27765920, 28559232, 28833840, 29154216, 29901760, 31236660, 32798493, 32952960, 33319104, 33639480, 35699040, 35882112, 36442770, 37483992, 38445120, 38872288, 40367376, 41648880, 42838848, 43731324, 44852640, 46134144, 46854990, 47598720, 48590360, 49978656, 50459220, 53548560, 53823168, 54664155, 55531840, 57667680, 58308432, 59803520, 62473320, 65596986, 66638208, 67278960, 71398080, 72885540, 74967984, 76890240, 77744576, 80734752, 83297760, 85677696, 87462648, 89705280, 93709980, 97180720, 99957312, 100918440, 107097120, 107646336, 109328310, 111063680, 115335360, 116616864, 124946640, 131193972, 134557920, 142796160, 145771080, 149935968, 155489152, 161469504, 163992465, 166595520, 174925296, 179410560, 187419960, 194361440, 199914624, 201836880, 214194240, 218656620, 230670720, 233233728, 249893280, 262387944, 269115840, 291542160, 299871936, 322939008, 327984930, 333191040, 349850592, 374839920, 388722880, 403673760, 428388480, 437313240, 466467456, 499786560, 524775888, 538231680, 583084320, 599743872, 655969860, 699701184, 749679840, 777445760, 807347520, 874626480, 999573120, 1049551776, 1166168640, 1311939720, 1399402368, 1499359680, 1614695040, 1749252960, 2099103552, 2332337280, 2623879440, 2998719360, 3498505920, 4198207104, 5247758880, 6997011840, 10495517760, 20991035520]

約数ペア:

[(1, 20991035520), (2, 10495517760), (3, 6997011840), (4, 5247758880), (5, 4198207104), (6, 3498505920), (7, 2998719360), (8, 2623879440), (9, 2332337280), (10, 2099103552), (12, 1749252960), (13, 1614695040), (14, 1499359680), (15, 1399402368), (16, 1311939720), (18, 1166168640), (20, 1049551776), (21, 999573120), (24, 874626480), (26, 807347520), (27, 777445760), (28, 749679840), (30, 699701184), (32, 655969860), (35, 599743872), (36, 583084320), (39, 538231680), (40, 524775888), (42, 499786560), (45, 466467456), (48, 437313240), (49, 428388480), (52, 403673760), (54, 388722880), (56, 374839920), (60, 349850592), (63, 333191040), (64, 327984930), (65, 322939008), (70, 299871936), (72, 291542160), (78, 269115840), (80, 262387944), (84, 249893280), (90, 233233728), (91, 230670720), (96, 218656620), (98, 214194240), (104, 201836880), (105, 199914624), (108, 194361440), (112, 187419960), (117, 179410560), (120, 174925296), (126, 166595520), (128, 163992465), (130, 161469504), (135, 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(2184, 9611280), (2205, 9519744), (2240, 9370998), (2340, 8970528), (2352, 8924760), (2457, 8543360), (2496, 8409870), (2520, 8329776), (2548, 8238240), (2646, 7933120), (2688, 7809165), (2730, 7689024), (2808, 7475440), (2880, 7288554), (2912, 7208460), (2940, 7139808), (3024, 6941480), (3120, 6727896), (3136, 6693570), (3185, 6590592), (3276, 6407520), (3360, 6247332), (3456, 6073795), (3510, 5980352), (3528, 5949840), (3640, 5766768), (3744, 5606580), (3780, 5553184), (3814, 5503680), (3822, 5492160), (3920, 5354856), (4032, 5206110), (4095, 5126016), (4160, 5045922), (4320, 4859036), (4368, 4805640), (4410, 4759872), (4480, 4685499), (4680, 4485264), (4704, 4462380), (4914, 4271680), (4992, 4204935), (5040, 4164888), (5096, 4119120), (5292, 3966560), (5460, 3844512), (5616, 3737720), (5721, 3669120), (5733, 3661440), (5760, 3644277), (5824, 3604230), (5880, 3569904), (6048, 3470740), (6240, 3363948), (6272, 3346785), (6370, 3295296), (6552, 3203760), (6615, 3173248), (6720, 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