20939909760

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1523}}^1$

素因数の和:1597

約数の個数: 768

約数和(自身を含む): 93119569920

約数和(自身を除く): 72179660160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 31, 32, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 62, 63, 64, 66, 70, 72, 77, 80, 84, 88, 90, 93, 96, 99, 105, 110, 112, 120, 124, 126, 128, 132, 140, 144, 154, 155, 160, 165, 168, 176, 180, 186, 192, 198, 210, 217, 220, 224, 231, 240, 248, 252, 264, 279, 280, 288, 308, 310, 315, 320, 330, 336, 341, 352, 360, 372, 384, 385, 396, 420, 434, 440, 448, 462, 465, 480, 495, 496, 504, 528, 558, 560, 576, 616, 620, 630, 640, 651, 660, 672, 682, 693, 704, 720, 744, 770, 792, 840, 868, 880, 896, 924, 930, 960, 990, 992, 1008, 1023, 1056, 1085, 1116, 1120, 1152, 1155, 1232, 1240, 1260, 1302, 1320, 1344, 1364, 1386, 1395, 1408, 1440, 1488, 1523, 1540, 1584, 1680, 1705, 1736, 1760, 1848, 1860, 1920, 1953, 1980, 1984, 2016, 2046, 2112, 2170, 2232, 2240, 2310, 2387, 2464, 2480, 2520, 2604, 2640, 2688, 2728, 2772, 2790, 2880, 2976, 3046, 3069, 3080, 3168, 3255, 3360, 3410, 3465, 3472, 3520, 3696, 3720, 3906, 3960, 3968, 4032, 4092, 4224, 4340, 4464, 4480, 4569, 4620, 4774, 4928, 4960, 5040, 5115, 5208, 5280, 5456, 5544, 5580, 5760, 5952, 6092, 6138, 6160, 6336, 6510, 6720, 6820, 6930, 6944, 7040, 7161, 7392, 7440, 7615, 7812, 7920, 8064, 8184, 8680, 8928, 9138, 9240, 9548, 9765, 9856, 9920, 10080, 10230, 10416, 10560, 10661, 10912, 11088, 11160, 11904, 11935, 12184, 12276, 12320, 12672, 13020, 13440, 13640, 13707, 13860, 13888, 14322, 14784, 14880, 15230, 15345, 15624, 15840, 16368, 16753, 17360, 17856, 18276, 18480, 19096, 19530, 19840, 20160, 20460, 20832, 21120, 21322, 21483, 21824, 22176, 22320, 22845, 23870, 24368, 24552, 24640, 26040, 27280, 27414, 27720, 27776, 28644, 29568, 29760, 30460, 30690, 31248, 31680, 31983, 32736, 33506, 34720, 35712, 35805, 36552, 36960, 38192, 39060, 40320, 40920, 41664, 42644, 42966, 43648, 44352, 44640, 45690, 47213, 47740, 48736, 49104, 49280, 50259, 52080, 53305, 54560, 54828, 55440, 57288, 59520, 60920, 61380, 62496, 63360, 63966, 65472, 67012, 68535, 69440, 71610, 73104, 73920, 76384, 78120, 81840, 83328, 83765, 85288, 85932, 88704, 89280, 91380, 94426, 95480, 95949, 97472, 98208, 100518, 104160, 106610, 107415, 109120, 109656, 110880, 114576, 117271, 121840, 122760, 124992, 127932, 130944, 134024, 137070, 138880, 141639, 143220, 146208, 147840, 150777, 152768, 156240, 159915, 163680, 167530, 170576, 171864, 178560, 182760, 188852, 190960, 191898, 194944, 196416, 201036, 208320, 213220, 214830, 218240, 219312, 221760, 229152, 234542, 236065, 243680, 245520, 249984, 251295, 255864, 268048, 274140, 283278, 286440, 292416, 301554, 305536, 312480, 319830, 327360, 330491, 335060, 341152, 343728, 351813, 365520, 377704, 381920, 383796, 392832, 402072, 416640, 424917, 426440, 429660, 438624, 443520, 458304, 469084, 472130, 479745, 487360, 491040, 502590, 511728, 519343, 536096, 548280, 566556, 572880, 584832, 586355, 603108, 624960, 639660, 654720, 660982, 670120, 682304, 687456, 703626, 708195, 731040, 753885, 755408, 763840, 767592, 804144, 849834, 852880, 859320, 877248, 916608, 938168, 944260, 959490, 974720, 982080, 991473, 1005180, 1023456, 1038686, 1055439, 1072192, 1096560, 1133112, 1145760, 1172710, 1206216, 1249920, 1279320, 1321964, 1340240, 1364608, 1374912, 1407252, 1416390, 1462080, 1507770, 1510816, 1527680, 1535184, 1558029, 1608288, 1652455, 1699668, 1705760, 1718640, 1754496, 1759065, 1876336, 1888520, 1918980, 1964160, 1982946, 2010360, 2046912, 2077372, 2110878, 2124585, 2144384, 2193120, 2266224, 2291520, 2345420, 2412432, 2558640, 2596715, 2643928, 2680480, 2749824, 2814504, 2832780, 2924160, 2974419, 3015540, 3021632, 3070368, 3116058, 3216576, 3304910, 3399336, 3411520, 3437280, 3518130, 3635401, 3752672, 3777040, 3837960, 3965892, 4020720, 4093824, 4154744, 4221756, 4249170, 4386240, 4532448, 4583040, 4674087, 4690840, 4824864, 4957365, 5117280, 5193430, 5277195, 5287856, 5360960, 5629008, 5665560, 5948838, 6031080, 6043264, 6140736, 6232116, 6433152, 6609820, 6798672, 6823040, 6874560, 7036260, 7270802, 7505344, 7554080, 7675920, 7790145, 7931784, 8041440, 8309488, 8443512, 8498340, 8772480, 9064896, 9348174, 9381680, 9649728, 9914730, 10234560, 10386860, 10554390, 10575712, 10721920, 10906203, 11258016, 11331120, 11897676, 12062160, 12281472, 12464232, 13219640, 13597344, 13749120, 14072520, 14541604, 14872095, 15010688, 15108160, 15351840, 15580290, 15863568, 16082880, 16618976, 16887024, 16996680, 18129792, 18177005, 18696348, 18763360, 19299456, 19829460, 20469120, 20773720, 21108780, 21151424, 21812406, 22516032, 22662240, 23370435, 23795352, 24124320, 24928464, 26439280, 27194688, 28145040, 29083208, 29744190, 30216320, 30703680, 31160580, 31727136, 32165760, 32718609, 33237952, 33774048, 33993360, 36354010, 37392696, 37526720, 39658920, 41547440, 42217560, 42302848, 43624812, 45032064, 45324480, 46740870, 47590704, 48248640, 49856928, 52878560, 54389376, 54531015, 56290080, 58166416, 59488380, 61407360, 62321160, 63454272, 65437218, 66475904, 67548096, 67986720, 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約数ペア:

[(1, 20939909760), (2, 10469954880), (3, 6979969920), (4, 5234977440), (5, 4187981952), (6, 3489984960), (7, 2991415680), (8, 2617488720), (9, 2326656640), (10, 2093990976), (11, 1903628160), (12, 1744992480), (14, 1495707840), (15, 1395993984), (16, 1308744360), (18, 1163328320), (20, 1046995488), (21, 997138560), (22, 951814080), (24, 872496240), (28, 747853920), (30, 697996992), (31, 675480960), (32, 654372180), (33, 634542720), (35, 598283136), (36, 581664160), (40, 523497744), (42, 498569280), (44, 475907040), (45, 465331328), (48, 436248120), (55, 380725632), (56, 373926960), (60, 348998496), (62, 337740480), (63, 332379520), (64, 327186090), (66, 317271360), (70, 299141568), (72, 290832080), (77, 271946880), (80, 261748872), (84, 249284640), (88, 237953520), (90, 232665664), (93, 225160320), (96, 218124060), (99, 211514240), (105, 199427712), (110, 190362816), (112, 186963480), (120, 174499248), (124, 168870240), (126, 166189760), (128, 163593045), (132, 158635680), (140, 149570784), (144, 145416040), (154, 135973440), (155, 135096192), (160, 130874436), (165, 126908544), (168, 124642320), (176, 118976760), (180, 116332832), (186, 112580160), (192, 109062030), (198, 105757120), (210, 99713856), (217, 96497280), (220, 95181408), (224, 93481740), (231, 90648960), (240, 87249624), (248, 84435120), (252, 83094880), (264, 79317840), (279, 75053440), (280, 74785392), (288, 72708020), (308, 67986720), (310, 67548096), (315, 66475904), (320, 65437218), (330, 63454272), (336, 62321160), (341, 61407360), (352, 59488380), (360, 58166416), (372, 56290080), (384, 54531015), (385, 54389376), (396, 52878560), (420, 49856928), (434, 48248640), (440, 47590704), (448, 46740870), (462, 45324480), (465, 45032064), (480, 43624812), (495, 42302848), (496, 42217560), (504, 41547440), (528, 39658920), (558, 37526720), (560, 37392696), (576, 36354010), (616, 33993360), (620, 33774048), (630, 33237952), (640, 32718609), (651, 32165760), (660, 31727136), (672, 31160580), (682, 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(2464, 8498340), (2480, 8443512), (2520, 8309488), (2604, 8041440), (2640, 7931784), (2688, 7790145), (2728, 7675920), (2772, 7554080), (2790, 7505344), (2880, 7270802), (2976, 7036260), (3046, 6874560), (3069, 6823040), (3080, 6798672), (3168, 6609820), (3255, 6433152), (3360, 6232116), (3410, 6140736), (3465, 6043264), (3472, 6031080), (3520, 5948838), (3696, 5665560), (3720, 5629008), (3906, 5360960), (3960, 5287856), (3968, 5277195), (4032, 5193430), (4092, 5117280), (4224, 4957365), (4340, 4824864), (4464, 4690840), (4480, 4674087), (4569, 4583040), (4620, 4532448), (4774, 4386240), (4928, 4249170), (4960, 4221756), (5040, 4154744), (5115, 4093824), (5208, 4020720), (5280, 3965892), (5456, 3837960), (5544, 3777040), (5580, 3752672), (5760, 3635401), (5952, 3518130), (6092, 3437280), (6138, 3411520), (6160, 3399336), (6336, 3304910), (6510, 3216576), (6720, 3116058), (6820, 3070368), (6930, 3021632), (6944, 3015540), (7040, 2974419), (7161, 2924160), (7392, 2832780), (7440, 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(22176, 944260), (22320, 938168), (22845, 916608), (23870, 877248), (24368, 859320), (24552, 852880), (24640, 849834), (26040, 804144), (27280, 767592), (27414, 763840), (27720, 755408), (27776, 753885), (28644, 731040), (29568, 708195), (29760, 703626), (30460, 687456), (30690, 682304), (31248, 670120), (31680, 660982), (31983, 654720), (32736, 639660), (33506, 624960), (34720, 603108), (35712, 586355), (35805, 584832), (36552, 572880), (36960, 566556), (38192, 548280), (39060, 536096), (40320, 519343), (40920, 511728), (41664, 502590), (42644, 491040), (42966, 487360), (43648, 479745), (44352, 472130), (44640, 469084), (45690, 458304), (47213, 443520), (47740, 438624), (48736, 429660), (49104, 426440), (49280, 424917), (50259, 416640), (52080, 402072), (53305, 392832), (54560, 383796), (54828, 381920), (55440, 377704), (57288, 365520), (59520, 351813), (60920, 343728), (61380, 341152), (62496, 335060), (63360, 330491), (63966, 327360), (65472, 319830), (67012, 312480), (68535, 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