20974868460

素因数分解:

$2^2\times 3^3\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:364

約数の個数: 768

約数和(自身を含む): 84897792000

約数和(自身を除く): 63922923540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 31, 35, 36, 39, 42, 45, 49, 52, 54, 60, 62, 63, 65, 70, 78, 84, 90, 91, 93, 98, 105, 108, 117, 124, 126, 130, 135, 140, 147, 155, 156, 180, 182, 186, 189, 195, 196, 210, 217, 234, 245, 252, 260, 270, 273, 279, 281, 294, 310, 315, 343, 351, 364, 372, 378, 390, 403, 420, 434, 441, 455, 465, 468, 490, 540, 546, 558, 562, 585, 588, 620, 630, 637, 651, 686, 702, 735, 756, 780, 806, 819, 837, 843, 868, 882, 910, 930, 945, 980, 1029, 1085, 1092, 1116, 1124, 1170, 1209, 1260, 1274, 1302, 1323, 1365, 1372, 1395, 1404, 1405, 1470, 1519, 1612, 1638, 1674, 1686, 1715, 1755, 1764, 1820, 1860, 1890, 1911, 1953, 1967, 2015, 2058, 2170, 2205, 2340, 2418, 2457, 2529, 2548, 2604, 2646, 2730, 2790, 2810, 2821, 2940, 3038, 3087, 3185, 3255, 3276, 3348, 3372, 3430, 3510, 3627, 3653, 3780, 3822, 3906, 3934, 4030, 4095, 4116, 4185, 4215, 4340, 4410, 4459, 4557, 4836, 4914, 5058, 5145, 5292, 5460, 5580, 5620, 5642, 5733, 5859, 5901, 6045, 6076, 6174, 6370, 6510, 6615, 6860, 7020, 7254, 7306, 7587, 7595, 7644, 7812, 7868, 8060, 8190, 8370, 8430, 8463, 8711, 8820, 8918, 9114, 9261, 9555, 9765, 9828, 9835, 10116, 10290, 10633, 10881, 10959, 11284, 11466, 11718, 11802, 12090, 12285, 12348, 12645, 12740, 13020, 13230, 13377, 13671, 13769, 14105, 14508, 14612, 15174, 15190, 15435, 16380, 16740, 16860, 16926, 17199, 17422, 17703, 17836, 18135, 18228, 18265, 18522, 19110, 19530, 19670, 19747, 20580, 21266, 21762, 21918, 22295, 22785, 22932, 23436, 23604, 24180, 24570, 25290, 25389, 25571, 26133, 26460, 26754, 27342, 27538, 28210, 28665, 29295, 29505, 30348, 30380, 30870, 31899, 32877, 33852, 34398, 34844, 35406, 36270, 36530, 37044, 37935, 38220, 39060, 39340, 39494, 40131, 41013, 41307, 42315, 42532, 43524, 43555, 43836, 44590, 45570, 46305, 49140, 50580, 50778, 51142, 52266, 53109, 53165, 53508, 54405, 54684, 54795, 55076, 56420, 57330, 58590, 59010, 59241, 60977, 61740, 63798, 65754, 66885, 68355, 68796, 68845, 70812, 72540, 73060, 75870, 76167, 76713, 78399, 78988, 80262, 82026, 82614, 84630, 85995, 87110, 88515, 89180, 91140, 92610, 95697, 96383, 98631, 98735, 101556, 102284, 104532, 106218, 106330, 108810, 109590, 113243, 114660, 117180, 118020, 118482, 120393, 121954, 123921, 126945, 127596, 127855, 130665, 131508, 133770, 136710, 137690, 138229, 151740, 152334, 153426, 156798, 159495, 160524, 164052, 164385, 165228, 169260, 171990, 174220, 177030, 177723, 178997, 182931, 185220, 191394, 192766, 197262, 197470, 200655, 205065, 206535, 212436, 212660, 217620, 219180, 226486, 230139, 235197, 236964, 240786, 243908, 247842, 253890, 255710, 261330, 265545, 267540, 273420, 275380, 276458, 287091, 289149, 296205, 304668, 304885, 306852, 313596, 318990, 328770, 339729, 343980, 354060, 355446, 357994, 365862, 371763, 380835, 382788, 383565, 385532, 391995, 394524, 394940, 401310, 410130, 413070, 414687, 426839, 452972, 460278, 470394, 478485, 481572, 481915, 493155, 495684, 507780, 511420, 522660, 531090, 533169, 536991, 548793, 552916, 566215, 574182, 578298, 592410, 601965, 609770, 619605, 637980, 657540, 679458, 690417, 691145, 710892, 715988, 731724, 743526, 761670, 767130, 783990, 792701, 802620, 820260, 826140, 829374, 853678, 867447, 888615, 894985, 914655, 920556, 940788, 956970, 963830, 986310, 1019187, 1062180, 1066338, 1073982, 1097586, 1132430, 1148364, 1150695, 1156596, 1175985, 1184820, 1203930, 1219540, 1239210, 1244061, 1252979, 1280517, 1358916, 1380834, 1382290, 1435455, 1445745, 1487052, 1523340, 1534260, 1567980, 1585402, 1610973, 1646379, 1658748, 1698645, 1707356, 1734894, 1777230, 1789970, 1829310, 1858815, 1913940, 1927660, 1972620, 2038374, 2073435, 2132676, 2134195, 2147964, 2195172, 2264860, 2301390, 2351970, 2378103, 2407860, 2478420, 2488122, 2505958, 2561034, 2602341, 2665845, 2684955, 2743965, 2761668, 2764580, 2870910, 2891490, 2987873, 3057561, 3170804, 3221946, 3292758, 3397290, 3452085, 3469788, 3554460, 3579940, 3658620, 3717630, 3732183, 3758937, 3841551, 3963505, 4076748, 4146870, 4268390, 4337235, 4602780, 4703940, 4756206, 4832919, 4976244, 5011916, 5095935, 5122068, 5204682, 5331690, 5369910, 5487930, 5548907, 5741820, 5782980, 5975746, 6115122, 6220305, 6264895, 6402585, 6443892, 6585516, 6794580, 6904170, 7134309, 7435260, 7464366, 7517874, 7683102, 7927010, 8054865, 8231895, 8293740, 8536780, 8674470, 8963619, 9512412, 9665838, 10191870, 10409364, 10663380, 10739820, 10975860, 11097814, 11276811, 11524653, 11890515, 11951492, 12230244, 12440610, 12529790, 12805170, 13011705, 13808340, 14268618, 14928732, 14939365, 15035748, 15287805, 15366204, 15854020, 16109730, 16463790, 16646721, 17348940, 17927238, 18660915, 18794685, 19207755, 19331676, 20383740, 21402927, 22195628, 22553622, 23049306, 23781030, 24164595, 24881220, 25059580, 25610340, 26023410, 26890857, 27744535, 28537236, 29878730, 30575610, 32219460, 32927580, 33293442, 33830433, 35671545, 35854476, 37321830, 37589370, 38415510, 38842349, 42805854, 44818095, 45107244, 46098612, 47562060, 48329190, 49940163, 52046820, 53781714, 55489070, 56384055, 57623265, 59757460, 61151220, 66586884, 67660866, 71343090, 74643660, 75178740, 76831020, 77684698, 80672571, 83233605, 85611708, 89636190, 96658380, 99880326, 107014635, 107563428, 110978140, 112768110, 115246530, 116527047, 134454285, 135321732, 142686180, 149820489, 155369396, 161345142, 166467210, 169152165, 179272380, 194211745, 199760652, 214029270, 225536220, 230493060, 233054094, 249700815, 268908570, 299640978, 322690284, 332934420, 338304330, 349581141, 388423490, 403362855, 428058540, 466108188, 499401630, 537817140, 582635235, 599281956, 676608660, 699162282, 749102445, 776846980, 806725710, 998803260, 1048743423, 1165270470, 1398324564, 1498204890, 1613451420, 1747905705, 2097486846, 2330540940, 2996409780, 3495811410, 4194973692, 5243717115, 6991622820, 10487434230, 20974868460]

約数ペア:

[(1, 20974868460), (2, 10487434230), (3, 6991622820), (4, 5243717115), (5, 4194973692), (6, 3495811410), (7, 2996409780), (9, 2330540940), (10, 2097486846), (12, 1747905705), (13, 1613451420), (14, 1498204890), (15, 1398324564), (18, 1165270470), (20, 1048743423), (21, 998803260), (26, 806725710), (27, 776846980), (28, 749102445), (30, 699162282), (31, 676608660), (35, 599281956), (36, 582635235), (39, 537817140), (42, 499401630), (45, 466108188), (49, 428058540), (52, 403362855), (54, 388423490), (60, 349581141), (62, 338304330), (63, 332934420), (65, 322690284), (70, 299640978), (78, 268908570), (84, 249700815), (90, 233054094), (91, 230493060), (93, 225536220), (98, 214029270), (105, 199760652), (108, 194211745), (117, 179272380), (124, 169152165), (126, 166467210), (130, 161345142), (135, 155369396), (140, 149820489), (147, 142686180), (155, 135321732), (156, 134454285), (180, 116527047), (182, 115246530), (186, 112768110), (189, 110978140), (195, 107563428), (196, 107014635), (210, 99880326), (217, 96658380), (234, 89636190), (245, 85611708), (252, 83233605), (260, 80672571), (270, 77684698), (273, 76831020), (279, 75178740), (281, 74643660), (294, 71343090), (310, 67660866), (315, 66586884), (343, 61151220), (351, 59757460), (364, 57623265), (372, 56384055), (378, 55489070), (390, 53781714), (403, 52046820), (420, 49940163), (434, 48329190), (441, 47562060), (455, 46098612), (465, 45107244), (468, 44818095), (490, 42805854), (540, 38842349), (546, 38415510), (558, 37589370), (562, 37321830), (585, 35854476), (588, 35671545), (620, 33830433), (630, 33293442), (637, 32927580), (651, 32219460), (686, 30575610), (702, 29878730), (735, 28537236), (756, 27744535), (780, 26890857), (806, 26023410), (819, 25610340), (837, 25059580), (843, 24881220), (868, 24164595), (882, 23781030), (910, 23049306), (930, 22553622), (945, 22195628), (980, 21402927), (1029, 20383740), (1085, 19331676), (1092, 19207755), (1116, 18794685), (1124, 18660915), (1170, 17927238), (1209, 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