20897997120

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{659}}^1$

素因数の和:724

約数の個数: 1008

約数和(自身を含む): 97389452160

約数和(自身を除く): 76491455040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 20, 21, 22, 24, 26, 28, 30, 32, 33, 35, 36, 39, 40, 42, 44, 45, 48, 52, 55, 56, 60, 63, 64, 65, 66, 70, 72, 77, 78, 80, 84, 88, 90, 91, 96, 99, 104, 105, 110, 112, 117, 120, 121, 126, 130, 132, 140, 143, 144, 154, 156, 160, 165, 168, 176, 180, 182, 192, 195, 198, 208, 210, 220, 224, 231, 234, 240, 242, 252, 260, 264, 273, 280, 286, 288, 308, 312, 315, 320, 330, 336, 352, 360, 363, 364, 385, 390, 396, 416, 420, 429, 440, 448, 455, 462, 468, 480, 484, 495, 504, 520, 528, 546, 560, 572, 576, 585, 605, 616, 624, 630, 659, 660, 672, 693, 704, 715, 720, 726, 728, 770, 780, 792, 819, 832, 840, 847, 858, 880, 910, 924, 936, 960, 968, 990, 1001, 1008, 1040, 1056, 1089, 1092, 1120, 1144, 1155, 1170, 1210, 1232, 1248, 1260, 1287, 1318, 1320, 1344, 1365, 1386, 1430, 1440, 1452, 1456, 1540, 1560, 1573, 1584, 1638, 1680, 1694, 1716, 1760, 1815, 1820, 1848, 1872, 1936, 1977, 1980, 2002, 2016, 2080, 2112, 2145, 2178, 2184, 2240, 2288, 2310, 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22176, 22880, 23065, 23232, 23595, 23724, 24024, 24640, 25168, 25410, 25701, 25740, 26208, 26360, 27104, 27456, 27678, 27720, 28314, 28996, 29040, 29120, 29655, 30030, 30492, 31460, 31632, 31680, 32032, 32760, 33033, 33880, 34268, 34320, 34848, 36036, 36245, 36904, 36960, 37440, 37752, 38115, 38720, 39540, 40040, 40656, 41184, 41517, 42176, 42835, 43494, 43560, 43680, 44044, 44352, 45045, 45760, 46130, 47190, 47448, 48048, 50336, 50743, 50820, 51402, 51480, 52416, 52720, 54208, 55055, 55356, 55440, 56628, 57992, 58080, 59310, 59969, 60060, 60984, 62920, 63264, 64064, 65241, 65520, 66066, 67760, 68536, 68640, 69195, 69696, 70785, 72072, 72490, 73808, 73920, 75504, 76230, 77103, 79080, 79739, 80080, 81312, 82368, 83034, 85670, 86988, 87120, 87360, 88088, 90090, 92260, 94237, 94380, 94896, 96096, 99099, 100672, 101486, 101640, 102804, 102960, 105440, 108735, 110110, 110712, 110880, 113256, 115984, 116160, 118620, 119938, 120120, 121968, 125840, 126528, 128505, 130482, 131040, 132132, 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664272, 685360, 695904, 704704, 717651, 719628, 720720, 738080, 753896, 755040, 761145, 771030, 792792, 797390, 811888, 813120, 822432, 830340, 848133, 869880, 880880, 885696, 899535, 906048, 913374, 942370, 948960, 956868, 959504, 960960, 990990, 1014860, 1028040, 1036607, 1043856, 1057056, 1079442, 1107120, 1116346, 1130844, 1132560, 1159840, 1196085, 1199380, 1217832, 1219680, 1233648, 1275824, 1304820, 1319318, 1321320, 1328544, 1370720, 1391808, 1413555, 1435302, 1439256, 1441440, 1476160, 1507792, 1510080, 1522290, 1542060, 1585584, 1594780, 1623776, 1644864, 1660680, 1674519, 1696266, 1739760, 1761760, 1799070, 1826748, 1884740, 1897920, 1913736, 1919008, 1978977, 1981980, 2029720, 2056080, 2073214, 2087712, 2114112, 2158884, 2214240, 2232692, 2261688, 2265120, 2283435, 2319680, 2392170, 2398760, 2435664, 2439360, 2467296, 2551648, 2609640, 2638636, 2642640, 2657088, 2698605, 2741440, 2790865, 2827110, 2870604, 2878512, 2882880, 3015584, 3044580, 3084120, 3109821, 3171168, 3189560, 3247552, 3298295, 3321360, 3349038, 3392532, 3479520, 3523520, 3588255, 3598140, 3653496, 3769480, 3827472, 3838016, 3957954, 3963960, 4059440, 4112160, 4146428, 4175424, 4240665, 4317768, 4428480, 4465384, 4523376, 4530240, 4566870, 4784340, 4797520, 4871328, 4934592, 5023557, 5103296, 5183035, 5219280, 5277272, 5285280, 5397210, 5581730, 5654220, 5741208, 5757024, 5936931, 6031168, 6089160, 6168240, 6219642, 6342336, 6379120, 6596590, 6642720, 6698076, 6785064, 6959040, 7176510, 7196280, 7256249, 7306992, 7538960, 7654944, 7915908, 7927920, 8118880, 8224320, 8292856, 8372595, 8481330, 8635536, 8930768, 9046752, 9133740, 9329463, 9568680, 9595040, 9742656, 9894885, 10047114, 10366070, 10438560, 10554544, 10570560, 10794420, 11163460, 11308440, 11482416, 11514048, 11873862, 12178320, 12336480, 12439284, 12758240, 13193180, 13285440, 13396152, 13570128, 14353020, 14392560, 14512498, 14613984, 15077920, 15309888, 15549105, 15831816, 15855840, 16237760, 16585712, 16745190, 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約数ペア:

[(1, 20897997120), (2, 10448998560), (3, 6965999040), (4, 5224499280), (5, 4179599424), (6, 3482999520), (7, 2985428160), (8, 2612249640), (9, 2321999680), (10, 2089799712), (11, 1899817920), (12, 1741499760), (13, 1607538240), (14, 1492714080), (15, 1393199808), (16, 1306124820), (18, 1160999840), (20, 1044899856), (21, 995142720), (22, 949908960), (24, 870749880), (26, 803769120), (28, 746357040), (30, 696599904), (32, 653062410), (33, 633272640), (35, 597085632), (36, 580499920), (39, 535846080), (40, 522449928), (42, 497571360), (44, 474954480), (45, 464399936), (48, 435374940), (52, 401884560), (55, 379963584), (56, 373178520), (60, 348299952), (63, 331714240), (64, 326531205), (65, 321507648), (66, 316636320), (70, 298542816), (72, 290249960), (77, 271402560), (78, 267923040), (80, 261224964), (84, 248785680), (88, 237477240), (90, 232199968), (91, 229648320), (96, 217687470), (99, 211090880), (104, 200942280), (105, 199028544), (110, 189981792), (112, 186589260), (117, 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(495, 42218176), (504, 41464280), (520, 40188456), (528, 39579540), (546, 38274720), (560, 37317852), (572, 36534960), (576, 36281245), (585, 35723072), (605, 34542144), (616, 33925320), (624, 33490380), (630, 33171424), (659, 31711680), (660, 31663632), (672, 31098210), (693, 30155840), (704, 29684655), (715, 29227968), (720, 29024996), (726, 28785120), (728, 28706040), (770, 27140256), (780, 26792304), (792, 26386360), (819, 25516480), (832, 25117785), (840, 24878568), (847, 24672960), (858, 24356640), (880, 23747724), (910, 22964832), (924, 22616880), (936, 22326920), (960, 21768747), (968, 21588840), (990, 21109088), (1001, 20877120), (1008, 20732140), (1040, 20094228), (1056, 19789770), (1089, 19190080), (1092, 19137360), (1120, 18658926), (1144, 18267480), (1155, 18093504), (1170, 17861536), (1210, 17271072), (1232, 16962660), (1248, 16745190), (1260, 16585712), (1287, 16237760), (1318, 15855840), (1320, 15831816), (1344, 15549105), (1365, 15309888), (1386, 15077920), (1430, 14613984), (1440, 14512498), (1452, 14392560), (1456, 14353020), (1540, 13570128), (1560, 13396152), (1573, 13285440), (1584, 13193180), (1638, 12758240), (1680, 12439284), (1694, 12336480), (1716, 12178320), (1760, 11873862), (1815, 11514048), (1820, 11482416), (1848, 11308440), (1872, 11163460), (1936, 10794420), (1977, 10570560), (1980, 10554544), (2002, 10438560), (2016, 10366070), (2080, 10047114), (2112, 9894885), (2145, 9742656), (2178, 9595040), (2184, 9568680), (2240, 9329463), (2288, 9133740), (2310, 9046752), (2340, 8930768), (2420, 8635536), (2464, 8481330), (2496, 8372595), (2520, 8292856), (2541, 8224320), (2574, 8118880), (2636, 7927920), (2640, 7915908), (2730, 7654944), (2772, 7538960), (2860, 7306992), (2880, 7256249), (2904, 7196280), (2912, 7176510), (3003, 6959040), (3080, 6785064), (3120, 6698076), (3146, 6642720), (3168, 6596590), (3276, 6379120), (3295, 6342336), (3360, 6219642), (3388, 6168240), (3432, 6089160), (3465, 6031168), (3520, 5936931), (3630, 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(18452, 1132560), (18480, 1130844), (18720, 1116346), (18876, 1107120), (19360, 1079442), (19770, 1057056), (20020, 1043856), (20160, 1036607), (20328, 1028040), (20592, 1014860), (21088, 990990), (21747, 960960), (21780, 959504), (21840, 956868), (22022, 948960), (22176, 942370), (22880, 913374), (23065, 906048), (23232, 899535), (23595, 885696), (23724, 880880), (24024, 869880), (24640, 848133), (25168, 830340), (25410, 822432), (25701, 813120), (25740, 811888), (26208, 797390), (26360, 792792), (27104, 771030), (27456, 761145), (27678, 755040), (27720, 753896), (28314, 738080), (28996, 720720), (29040, 719628), (29120, 717651), (29655, 704704), (30030, 695904), (30492, 685360), (31460, 664272), (31632, 660660), (31680, 659659), (32032, 652410), (32760, 637912), (33033, 632640), (33880, 616824), (34268, 609840), (34320, 608916), (34848, 599690), (36036, 579920), (36245, 576576), (36904, 566280), (36960, 565422), (37440, 558173), (37752, 553560), (38115, 548288), (38720, 539721), 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