20255339520

素因数分解:

$2^{10}\times 3^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^2$

素因数の和:97

約数の個数: 990

約数和(自身を含む): 83491820082

約数和(自身を除く): 63236480562

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 26, 27, 30, 32, 34, 36, 39, 40, 45, 48, 51, 52, 54, 60, 64, 65, 68, 72, 78, 80, 81, 85, 90, 96, 102, 104, 108, 117, 120, 128, 130, 135, 136, 144, 153, 156, 160, 162, 169, 170, 180, 192, 195, 204, 208, 216, 221, 234, 240, 255, 256, 260, 270, 272, 288, 289, 306, 312, 320, 324, 338, 340, 351, 360, 384, 390, 405, 408, 416, 432, 442, 459, 468, 480, 507, 510, 512, 520, 540, 544, 576, 578, 585, 612, 624, 640, 648, 663, 676, 680, 702, 720, 765, 768, 780, 810, 816, 832, 845, 864, 867, 884, 918, 936, 960, 1014, 1020, 1024, 1040, 1053, 1080, 1088, 1105, 1152, 1156, 1170, 1224, 1248, 1280, 1296, 1326, 1352, 1360, 1377, 1404, 1440, 1445, 1521, 1530, 1536, 1560, 1620, 1632, 1664, 1690, 1728, 1734, 1755, 1768, 1836, 1872, 1920, 1989, 2028, 2040, 2080, 2106, 2160, 2176, 2210, 2295, 2304, 2312, 2340, 2448, 2496, 2535, 2560, 2592, 2601, 2652, 2704, 2720, 2754, 2808, 2873, 2880, 2890, 3042, 3060, 3072, 3120, 3240, 3264, 3315, 3328, 3380, 3456, 3468, 3510, 3536, 3672, 3744, 3757, 3840, 3978, 4056, 4080, 4160, 4212, 4320, 4335, 4352, 4420, 4563, 4590, 4608, 4624, 4680, 4896, 4992, 5070, 5120, 5184, 5202, 5265, 5304, 5408, 5440, 5508, 5616, 5746, 5760, 5780, 5967, 6084, 6120, 6240, 6480, 6528, 6630, 6656, 6760, 6885, 6912, 6936, 7020, 7072, 7344, 7488, 7514, 7605, 7680, 7803, 7956, 8112, 8160, 8320, 8424, 8619, 8640, 8670, 8704, 8840, 9126, 9180, 9216, 9248, 9360, 9792, 9945, 9984, 10140, 10368, 10404, 10530, 10608, 10816, 10880, 11016, 11232, 11271, 11492, 11520, 11560, 11934, 12168, 12240, 12480, 12960, 13005, 13056, 13260, 13312, 13520, 13689, 13770, 13824, 13872, 14040, 14144, 14365, 14688, 14976, 15028, 15210, 15360, 15606, 15912, 16224, 16320, 16640, 16848, 17238, 17280, 17340, 17408, 17680, 17901, 18252, 18360, 18496, 18720, 18785, 19584, 19890, 19968, 20280, 20736, 20808, 21060, 21216, 21632, 21760, 22032, 22464, 22542, 22815, 22984, 23040, 23120, 23409, 23868, 24336, 24480, 24960, 25857, 25920, 26010, 26112, 26520, 27040, 27378, 27540, 27648, 27744, 28080, 28288, 28730, 29376, 29835, 29952, 30056, 30420, 31212, 31824, 32448, 32640, 33280, 33696, 33813, 34476, 34560, 34680, 35360, 35802, 36504, 36720, 36992, 37440, 37570, 39015, 39168, 39780, 39936, 40560, 41472, 41616, 42120, 42432, 43095, 43264, 43520, 44064, 44928, 45084, 45630, 45968, 46080, 46240, 46818, 47736, 48672, 48841, 48960, 49920, 51714, 51840, 52020, 52224, 53040, 54080, 54756, 55080, 55488, 56160, 56355, 56576, 57460, 58752, 59670, 59904, 60112, 60840, 62424, 63648, 64896, 65280, 66560, 67392, 67626, 68445, 68952, 69120, 69360, 70720, 71604, 73008, 73440, 73984, 74880, 75140, 77571, 78030, 78336, 79560, 81120, 82944, 83232, 84240, 84864, 86190, 86528, 87040, 88128, 89505, 89856, 90168, 91260, 91936, 92480, 93636, 95472, 97344, 97682, 97920, 99840, 101439, 103428, 103680, 104040, 106080, 108160, 109512, 110160, 110976, 112320, 112710, 113152, 114920, 117045, 117504, 119340, 119808, 120224, 121680, 124848, 127296, 129285, 129792, 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539136, 541008, 547560, 551616, 554880, 565760, 572832, 584064, 586092, 587520, 599040, 601120, 608634, 620568, 624240, 636480, 648960, 665856, 673920, 676260, 678912, 689520, 705024, 716040, 721344, 730080, 732615, 735488, 739840, 749088, 763776, 775710, 778752, 781456, 783360, 811512, 827424, 832320, 848640, 865280, 876096, 879138, 881280, 887808, 898560, 901680, 919360, 930852, 936360, 954720, 961792, 973440, 976820, 998784, 1014390, 1018368, 1034280, 1078272, 1082016, 1095120, 1103232, 1109760, 1131520, 1145664, 1163565, 1168128, 1172184, 1175040, 1202240, 1217268, 1241136, 1248480, 1272960, 1297920, 1318707, 1331712, 1347840, 1352520, 1379040, 1410048, 1432080, 1442688, 1460160, 1465230, 1470976, 1479680, 1498176, 1521585, 1527552, 1551420, 1557504, 1562912, 1623024, 1654848, 1664640, 1697280, 1752192, 1758276, 1762560, 1797120, 1803360, 1838720, 1861704, 1872720, 1909440, 1923584, 1946880, 1953640, 1997568, 2028780, 2036736, 2068560, 2164032, 2190240, 2197845, 2206464, 2219520, 2291328, 2327130, 2336256, 2344368, 2350080, 2404480, 2434536, 2482272, 2496960, 2545920, 2595840, 2637414, 2663424, 2695680, 2705040, 2758080, 2864160, 2885376, 2920320, 2930460, 2941952, 2996352, 3043170, 3055104, 3102840, 3125824, 3246048, 3309696, 3329280, 3394560, 3504384, 3516552, 3525120, 3606720, 3677440, 3723408, 3745440, 3818880, 3847168, 3893760, 3907280, 3956121, 3995136, 4057560, 4137120, 4328064, 4380480, 4395690, 4412928, 4439040, 4582656, 4654260, 4672512, 4688736, 4808960, 4869072, 4964544, 4993920, 5091840, 5274828, 5391360, 5410080, 5516160, 5728320, 5770752, 5840640, 5860920, 5992704, 6086340, 6110208, 6205680, 6251648, 6492096, 6593535, 6619392, 6658560, 7008768, 7033104, 7050240, 7213440, 7354880, 7446816, 7490880, 7637760, 7787520, 7814560, 7912242, 7990272, 8115120, 8274240, 8656128, 8760960, 8791380, 8825856, 9165312, 9308520, 9377472, 9617920, 9738144, 9929088, 9987840, 10183680, 10549656, 10820160, 11032320, 11456640, 11541504, 11681280, 11721840, 11985408, 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約数ペア:

[(1, 20255339520), (2, 10127669760), (3, 6751779840), (4, 5063834880), (5, 4051067904), (6, 3375889920), (8, 2531917440), (9, 2250593280), (10, 2025533952), (12, 1687944960), (13, 1558103040), (15, 1350355968), (16, 1265958720), (17, 1191490560), (18, 1125296640), (20, 1012766976), (24, 843972480), (26, 779051520), (27, 750197760), (30, 675177984), (32, 632979360), (34, 595745280), (36, 562648320), (39, 519367680), (40, 506383488), (45, 450118656), (48, 421986240), (51, 397163520), (52, 389525760), (54, 375098880), (60, 337588992), (64, 316489680), (65, 311620608), (68, 297872640), (72, 281324160), (78, 259683840), (80, 253191744), (81, 250065920), (85, 238298112), (90, 225059328), (96, 210993120), (102, 198581760), (104, 194762880), (108, 187549440), (117, 173122560), (120, 168794496), (128, 158244840), (130, 155810304), (135, 150039552), (136, 148936320), (144, 140662080), (153, 132387840), (156, 129841920), (160, 126595872), (162, 125032960), (169, 119854080), (170, 119149056), (180, 112529664), (192, 105496560), (195, 103873536), (204, 99290880), (208, 97381440), (216, 93774720), (221, 91653120), (234, 86561280), (240, 84397248), (255, 79432704), (256, 79122420), (260, 77905152), (270, 75019776), (272, 74468160), (288, 70331040), (289, 70087680), (306, 66193920), (312, 64920960), (320, 63297936), (324, 62516480), (338, 59927040), (340, 59574528), (351, 57707520), (360, 56264832), (384, 52748280), (390, 51936768), (405, 50013184), (408, 49645440), (416, 48690720), (432, 46887360), (442, 45826560), (459, 44129280), (468, 43280640), (480, 42198624), (507, 39951360), (510, 39716352), (512, 39561210), (520, 38952576), (540, 37509888), (544, 37234080), (576, 35165520), (578, 35043840), (585, 34624512), (612, 33096960), (624, 32460480), (640, 31648968), (648, 31258240), (663, 30551040), (676, 29963520), (680, 29787264), (702, 28853760), (720, 28132416), (765, 26477568), (768, 26374140), (780, 25968384), (810, 25006592), (816, 24822720), (832, 24345360), (845, 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