20915774880

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{431}}^1$

素因数の和:581

約数の個数: 768

約数和(自身を含む): 89543688192

約数和(自身を除く): 68627913312

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 16, 20, 21, 22, 24, 26, 28, 30, 32, 33, 35, 39, 40, 42, 44, 48, 52, 55, 56, 60, 65, 66, 70, 77, 78, 80, 84, 88, 91, 96, 101, 104, 105, 110, 112, 120, 130, 132, 140, 143, 154, 156, 160, 165, 168, 176, 182, 195, 202, 208, 210, 220, 224, 231, 240, 260, 264, 273, 280, 286, 303, 308, 312, 330, 336, 352, 364, 385, 390, 404, 416, 420, 429, 431, 440, 455, 462, 480, 505, 520, 528, 546, 560, 572, 606, 616, 624, 660, 672, 707, 715, 728, 770, 780, 808, 840, 858, 862, 880, 910, 924, 1001, 1010, 1040, 1056, 1092, 1111, 1120, 1144, 1155, 1212, 1232, 1248, 1293, 1313, 1320, 1365, 1414, 1430, 1456, 1515, 1540, 1560, 1616, 1680, 1716, 1724, 1760, 1820, 1848, 2002, 2020, 2080, 2121, 2145, 2155, 2184, 2222, 2288, 2310, 2424, 2464, 2586, 2626, 2640, 2730, 2828, 2860, 2912, 3003, 3017, 3030, 3080, 3120, 3232, 3333, 3360, 3432, 3448, 3535, 3640, 3696, 3939, 4004, 4040, 4242, 4290, 4310, 4368, 4444, 4576, 4620, 4741, 4848, 5005, 5172, 5252, 5280, 5460, 5555, 5603, 5656, 5720, 6006, 6034, 6060, 6160, 6240, 6465, 6565, 6666, 6864, 6896, 7070, 7280, 7392, 7777, 7878, 8008, 8080, 8484, 8580, 8620, 8736, 8888, 9051, 9191, 9240, 9482, 9696, 10010, 10344, 10504, 10605, 10920, 11110, 11206, 11312, 11440, 12012, 12068, 12120, 12320, 12930, 13130, 13332, 13728, 13792, 14140, 14223, 14443, 14560, 15015, 15085, 15554, 15756, 16016, 16160, 16665, 16809, 16968, 17160, 17240, 17776, 18102, 18382, 18480, 18964, 19695, 20020, 20688, 21008, 21210, 21840, 22220, 22412, 22624, 22880, 23331, 23705, 24024, 24136, 24240, 25860, 26260, 26664, 27573, 28015, 28280, 28446, 28886, 30030, 30170, 31108, 31512, 32032, 33187, 33330, 33618, 33936, 34320, 34480, 35552, 36204, 36764, 36960, 37928, 38885, 39221, 39390, 40040, 41376, 42016, 42420, 43329, 43531, 43680, 44440, 44824, 45255, 45955, 46662, 47410, 48048, 48272, 48480, 51720, 52520, 53328, 55146, 56030, 56560, 56892, 57772, 60060, 60340, 61633, 62216, 63024, 66374, 66660, 67236, 67872, 68640, 68960, 71115, 72215, 72408, 73528, 75856, 77770, 78442, 78780, 80080, 84045, 84840, 86658, 87062, 88880, 89648, 90510, 91910, 93324, 94820, 96096, 96544, 99561, 101101, 103440, 105040, 106656, 110292, 112060, 113120, 113784, 115544, 116655, 117663, 120120, 120680, 123266, 124432, 126048, 130593, 132748, 133320, 134472, 137865, 142230, 144430, 144816, 147056, 151712, 155540, 156884, 157560, 160160, 165935, 168090, 169680, 173316, 174124, 177760, 179296, 181020, 183820, 184899, 186648, 189640, 196105, 199122, 202202, 206880, 210080, 216645, 217655, 220584, 224120, 227568, 231088, 233310, 235326, 240240, 241360, 246532, 248864, 261186, 265496, 266640, 268944, 275730, 284460, 288860, 289632, 294112, 303303, 304717, 308165, 311080, 313768, 315120, 331870, 336180, 339360, 346632, 348248, 362040, 367640, 369798, 373296, 379280, 392210, 398244, 404404, 431431, 433290, 435310, 441168, 448240, 455136, 462176, 466620, 470652, 478841, 480480, 482720, 493064, 497805, 505505, 522372, 530992, 533280, 537888, 551460, 565903, 568920, 577720, 588315, 606606, 609434, 616330, 622160, 627536, 630240, 652965, 663740, 672360, 693264, 696496, 724080, 735280, 739596, 746592, 758560, 784420, 796488, 808808, 862862, 866580, 870620, 882336, 896480, 914151, 924495, 933240, 941304, 957682, 986128, 995610, 1011010, 1044744, 1061984, 1102920, 1131806, 1137840, 1155440, 1176630, 1213212, 1218868, 1232660, 1244320, 1255072, 1294293, 1305930, 1327480, 1344720, 1386528, 1392992, 1436523, 1448160, 1470560, 1479192, 1516515, 1523585, 1568840, 1592976, 1617616, 1697709, 1725724, 1733160, 1741240, 1828302, 1848990, 1866480, 1882608, 1915364, 1972256, 1991220, 2022020, 2089488, 2157155, 2205840, 2263612, 2275680, 2310880, 2353260, 2394205, 2426424, 2437736, 2465320, 2588586, 2611860, 2654960, 2689440, 2829515, 2873046, 2958384, 3033030, 3047170, 3137680, 3185952, 3235232, 3351887, 3395418, 3451448, 3466320, 3482480, 3656604, 3697980, 3732960, 3765216, 3830728, 3961321, 3982440, 4044040, 4178976, 4314310, 4411680, 4527224, 4570755, 4706520, 4788410, 4852848, 4875472, 4930640, 5177172, 5223720, 5309920, 5659030, 5746092, 5916768, 6066060, 6094340, 6224933, 6275360, 6471465, 6703774, 6790836, 6902896, 6932640, 6964960, 7182615, 7313208, 7395960, 7661456, 7922642, 7964880, 8088080, 8488545, 8628620, 9054448, 9141510, 9413040, 9576820, 9705696, 9750944, 9861280, 10055661, 10354344, 10447440, 11318060, 11492184, 11883963, 12132120, 12188680, 12449866, 12942930, 13407548, 13581672, 13805792, 14365230, 14626416, 14791920, 15322912, 15845284, 15929760, 16176160, 16759435, 16977090, 17257240, 18108896, 18283020, 18674799, 18826080, 19153640, 19806605, 20111322, 20708688, 20894880, 22636120, 22984368, 23767926, 24264240, 24377360, 24899732, 25885860, 26815096, 27163344, 28730460, 29252832, 29583840, 31124665, 31690568, 33518870, 33954180, 34514480, 36566040, 37349598, 38307280, 39613210, 40222644, 41417376, 43574531, 45272240, 45968736, 47535852, 48528480, 48754720, 49799464, 50278305, 51771720, 53630192, 54326688, 57460920, 59419815, 62249330, 63381136, 67037740, 67908360, 69028960, 73132080, 74699196, 76614560, 79226420, 80445288, 87149062, 90544480, 93373995, 95071704, 99598928, 100556610, 103543440, 107260384, 114921840, 118839630, 124498660, 126762272, 130723593, 134075480, 135816720, 146264160, 149398392, 158452840, 160890576, 174298124, 186747990, 190143408, 199197856, 201113220, 207086880, 217872655, 229843680, 237679260, 248997320, 261447186, 268150960, 271633440, 298796784, 316905680, 321781152, 348596248, 373495980, 380286816, 402226440, 435745310, 475358520, 497994640, 522894372, 536301920, 597593568, 633811360, 653617965, 697192496, 746991960, 804452880, 871490620, 950717040, 995989280, 1045788744, 1307235930, 1394384992, 1493983920, 1608905760, 1742981240, 1901434080, 2091577488, 2614471860, 2987967840, 3485962480, 4183154976, 5228943720, 6971924960, 10457887440, 20915774880]

約数ペア:

[(1, 20915774880), (2, 10457887440), (3, 6971924960), (4, 5228943720), (5, 4183154976), (6, 3485962480), (7, 2987967840), (8, 2614471860), (10, 2091577488), (11, 1901434080), (12, 1742981240), (13, 1608905760), (14, 1493983920), (15, 1394384992), (16, 1307235930), (20, 1045788744), (21, 995989280), (22, 950717040), (24, 871490620), (26, 804452880), (28, 746991960), (30, 697192496), (32, 653617965), (33, 633811360), (35, 597593568), (39, 536301920), (40, 522894372), (42, 497994640), (44, 475358520), (48, 435745310), (52, 402226440), (55, 380286816), (56, 373495980), (60, 348596248), (65, 321781152), (66, 316905680), (70, 298796784), (77, 271633440), (78, 268150960), (80, 261447186), (84, 248997320), (88, 237679260), (91, 229843680), (96, 217872655), (101, 207086880), (104, 201113220), (105, 199197856), (110, 190143408), (112, 186747990), (120, 174298124), (130, 160890576), (132, 158452840), (140, 149398392), (143, 146264160), (154, 135816720), (156, 134075480), (160, 130723593), (165, 126762272), (168, 124498660), (176, 118839630), (182, 114921840), (195, 107260384), (202, 103543440), (208, 100556610), (210, 99598928), (220, 95071704), (224, 93373995), (231, 90544480), (240, 87149062), (260, 80445288), (264, 79226420), (273, 76614560), (280, 74699196), (286, 73132080), (303, 69028960), (308, 67908360), (312, 67037740), (330, 63381136), (336, 62249330), (352, 59419815), (364, 57460920), (385, 54326688), (390, 53630192), (404, 51771720), (416, 50278305), (420, 49799464), (429, 48754720), (431, 48528480), (440, 47535852), (455, 45968736), (462, 45272240), (480, 43574531), (505, 41417376), (520, 40222644), (528, 39613210), (546, 38307280), (560, 37349598), (572, 36566040), (606, 34514480), (616, 33954180), (624, 33518870), (660, 31690568), (672, 31124665), (707, 29583840), (715, 29252832), (728, 28730460), (770, 27163344), (780, 26815096), (808, 25885860), (840, 24899732), (858, 24377360), (862, 24264240), (880, 23767926), (910, 22984368), (924, 22636120), (1001, 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(31108, 672360), (31512, 663740), (32032, 652965), (33187, 630240), (33330, 627536), (33618, 622160), (33936, 616330), (34320, 609434), (34480, 606606), (35552, 588315), (36204, 577720), (36764, 568920), (36960, 565903), (37928, 551460), (38885, 537888), (39221, 533280), (39390, 530992), (40040, 522372), (41376, 505505), (42016, 497805), (42420, 493064), (43329, 482720), (43531, 480480), (43680, 478841), (44440, 470652), (44824, 466620), (45255, 462176), (45955, 455136), (46662, 448240), (47410, 441168), (48048, 435310), (48272, 433290), (48480, 431431), (51720, 404404), (52520, 398244), (53328, 392210), (55146, 379280), (56030, 373296), (56560, 369798), (56892, 367640), (57772, 362040), (60060, 348248), (60340, 346632), (61633, 339360), (62216, 336180), (63024, 331870), (66374, 315120), (66660, 313768), (67236, 311080), (67872, 308165), (68640, 304717), (68960, 303303), (71115, 294112), (72215, 289632), (72408, 288860), (73528, 284460), (75856, 275730), (77770, 268944), (78442, 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