20688123456

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{677}}^1$

素因数の和:779

約数の個数: 672

約数和(自身を含む): 81239977728

約数和(自身を除く): 60551854272

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 13, 14, 16, 18, 21, 22, 24, 26, 28, 32, 33, 36, 39, 42, 44, 48, 52, 53, 56, 63, 64, 66, 72, 77, 78, 84, 88, 91, 96, 99, 104, 106, 112, 117, 126, 132, 143, 144, 154, 156, 159, 168, 176, 182, 192, 198, 208, 212, 224, 231, 234, 252, 264, 273, 286, 288, 308, 312, 318, 336, 352, 364, 371, 396, 416, 424, 429, 448, 462, 468, 477, 504, 528, 546, 572, 576, 583, 616, 624, 636, 672, 677, 689, 693, 704, 728, 742, 792, 819, 832, 848, 858, 924, 936, 954, 1001, 1008, 1056, 1092, 1113, 1144, 1166, 1232, 1248, 1272, 1287, 1344, 1354, 1378, 1386, 1456, 1484, 1584, 1638, 1696, 1716, 1749, 1848, 1872, 1908, 2002, 2016, 2031, 2067, 2112, 2184, 2226, 2288, 2332, 2464, 2496, 2544, 2574, 2708, 2756, 2772, 2912, 2968, 3003, 3168, 3276, 3339, 3392, 3432, 3498, 3696, 3744, 3816, 4004, 4032, 4062, 4081, 4134, 4368, 4452, 4576, 4664, 4739, 4823, 4928, 5088, 5148, 5247, 5416, 5512, 5544, 5824, 5936, 6006, 6093, 6201, 6336, 6552, 6678, 6864, 6996, 7392, 7447, 7488, 7579, 7632, 8008, 8124, 8162, 8268, 8736, 8801, 8904, 9009, 9152, 9328, 9478, 9646, 10176, 10296, 10494, 10832, 11024, 11088, 11872, 12012, 12186, 12243, 12402, 13104, 13356, 13728, 13992, 14217, 14469, 14784, 14894, 15158, 15264, 16016, 16248, 16324, 16536, 17472, 17602, 17808, 18018, 18656, 18956, 19292, 20592, 20988, 21664, 22048, 22176, 22341, 22737, 23744, 24024, 24372, 24486, 24804, 26208, 26403, 26712, 27456, 27984, 28434, 28938, 29788, 30316, 30528, 32032, 32496, 32648, 33072, 35204, 35616, 35881, 36036, 36729, 37312, 37912, 38584, 41184, 41976, 42651, 43328, 43407, 44096, 44352, 44682, 45474, 48048, 48744, 48972, 49608, 52129, 52416, 52806, 53053, 53424, 55968, 56868, 57876, 59576, 60632, 61607, 64064, 64992, 65296, 66144, 67023, 68211, 70408, 71232, 71762, 72072, 73458, 75824, 77168, 79209, 82368, 83952, 85302, 86814, 89364, 90948, 96096, 96811, 97488, 97944, 99216, 104258, 105612, 106106, 106848, 107643, 111936, 113736, 115752, 119152, 121264, 123214, 129984, 130592, 132288, 134046, 136422, 140816, 143524, 144144, 146916, 151648, 154336, 156387, 158418, 159159, 167904, 170604, 173628, 178728, 181896, 184821, 192192, 193622, 194976, 195888, 198432, 208516, 211224, 212212, 213696, 215286, 227472, 231504, 238304, 242528, 246428, 251167, 261184, 268092, 272844, 281632, 287048, 288288, 290433, 293832, 303296, 308672, 312774, 316836, 318318, 322929, 335808, 341208, 347256, 357456, 363792, 369642, 387244, 389952, 391776, 394691, 396864, 417032, 422448, 424424, 430572, 454944, 463008, 466453, 469161, 476608, 477477, 485056, 492856, 502334, 536184, 545688, 554463, 563264, 574096, 576576, 580866, 587664, 625548, 633672, 636636, 645858, 677677, 682416, 694512, 714912, 727584, 739284, 753501, 774488, 783552, 789382, 834064, 844896, 848848, 861144, 871299, 909888, 926016, 932906, 938322, 954954, 985712, 1004668, 1072368, 1091376, 1108926, 1148192, 1161732, 1175328, 1184073, 1251096, 1267344, 1273272, 1291716, 1355354, 1364832, 1389024, 1399359, 1429824, 1455168, 1478568, 1507002, 1548976, 1578764, 1668128, 1689792, 1697696, 1722288, 1742598, 1865812, 1876644, 1909908, 1971424, 2009336, 2033031, 2144736, 2182752, 2217852, 2260503, 2296384, 2323464, 2350656, 2368146, 2502192, 2534688, 2546544, 2583432, 2710708, 2729664, 2762837, 2778048, 2798718, 2957136, 3014004, 3097952, 3157528, 3265171, 3336256, 3395392, 3444576, 3485196, 3552219, 3731624, 3753288, 3819816, 3942848, 4018672, 4066062, 4198077, 4289472, 4365504, 4435704, 4521006, 4646928, 4736292, 5004384, 5069376, 5093088, 5130983, 5166864, 5421416, 5525674, 5597436, 5914272, 6028008, 6099093, 6195904, 6315056, 6530342, 6889152, 6970392, 7104438, 7463248, 7506576, 7639632, 8037344, 8132124, 8288511, 8396154, 8871408, 9042012, 9293856, 9472584, 9795513, 10008768, 10186176, 10261966, 10333728, 10842832, 11051348, 11194872, 11828544, 12056016, 12198186, 12630112, 13060684, 13940784, 14208876, 14926496, 15013152, 15279264, 15392949, 16074688, 16264248, 16577022, 16792308, 17742816, 18084024, 18587712, 18945168, 19591026, 20523932, 20667456, 21685664, 22102696, 22389744, 24112032, 24396372, 24865533, 25260224, 26121368, 27881568, 28417752, 29386539, 29852992, 30026304, 30558528, 30785898, 32528496, 33154044, 33584616, 35485632, 35916881, 36168048, 37890336, 39182052, 41047864, 43371328, 44205392, 44779488, 46178847, 48224064, 48792744, 49731066, 52242736, 55763136, 56835504, 58773078, 61571796, 65056992, 66308088, 67169232, 71833762, 72336096, 75780672, 78364104, 82095728, 88410784, 89558976, 92357694, 97585488, 99462132, 104485472, 107750643, 113671008, 117546156, 123143592, 130113984, 132616176, 134338464, 143667524, 144672192, 156728208, 164191456, 176821568, 184715388, 195170976, 198924264, 208970944, 215501286, 227342016, 235092312, 246287184, 265232352, 268676928, 287335048, 313456416, 323251929, 328382912, 369430776, 390341952, 397848528, 431002572, 470184624, 492574368, 530464704, 574670096, 626912832, 646503858, 738861552, 795697056, 862005144, 940369248, 985148736, 1149340192, 1293007716, 1477723104, 1591394112, 1724010288, 1880738496, 2298680384, 2586015432, 2955446208, 3448020576, 5172030864, 6896041152, 10344061728, 20688123456]

約数ペア:

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