20509146000

素因数分解:

$2^4\times 3^3\times 5^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{337}}^1$

素因数の和:406

約数の個数: 960

約数和(自身を含む): 89443560960

約数和(自身を除く): 68934414960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 25, 27, 28, 30, 35, 36, 40, 42, 45, 46, 48, 49, 50, 54, 56, 60, 63, 69, 70, 72, 75, 80, 84, 90, 92, 98, 100, 105, 108, 112, 115, 120, 125, 126, 135, 138, 140, 144, 147, 150, 161, 168, 175, 180, 184, 189, 196, 200, 207, 210, 216, 225, 230, 240, 245, 250, 252, 270, 276, 280, 294, 300, 315, 322, 336, 337, 345, 350, 360, 368, 375, 378, 392, 400, 414, 420, 432, 441, 450, 460, 483, 490, 500, 504, 525, 540, 552, 560, 575, 588, 600, 621, 630, 644, 674, 675, 690, 700, 720, 735, 750, 756, 784, 805, 828, 840, 875, 882, 900, 920, 945, 966, 980, 1000, 1008, 1011, 1035, 1050, 1080, 1104, 1125, 1127, 1150, 1176, 1200, 1225, 1242, 1260, 1288, 1323, 1348, 1350, 1380, 1400, 1449, 1470, 1500, 1512, 1575, 1610, 1656, 1680, 1685, 1725, 1750, 1764, 1800, 1840, 1890, 1932, 1960, 2000, 2022, 2070, 2100, 2160, 2205, 2250, 2254, 2300, 2352, 2359, 2415, 2450, 2484, 2520, 2576, 2625, 2646, 2696, 2700, 2760, 2800, 2875, 2898, 2940, 3000, 3024, 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792624, 811440, 813855, 825650, 837108, 845250, 849240, 868112, 869400, 882000, 884625, 891702, 909900, 930120, 943600, 966000, 968875, 976626, 990780, 1011000, 1014300, 1019088, 1046385, 1061550, 1085140, 1086750, 1116144, 1127000, 1137375, 1139397, 1162650, 1179500, 1188936, 1213200, 1217160, 1238475, 1242000, 1267875, 1273860, 1302168, 1321040, 1323000, 1352400, 1356425, 1395180, 1415400, 1449000, 1464939, 1486170, 1516500, 1519196, 1521450, 1550200, 1592325, 1627710, 1651300, 1674216, 1690500, 1698480, 1738800, 1743975, 1769250, 1783404, 1819800, 1860240, 1898995, 1937750, 1953252, 1981560, 2022000, 2028600, 2064125, 2092770, 2123100, 2170280, 2173500, 2229255, 2254000, 2274750, 2278794, 2325300, 2359000, 2377872, 2434320, 2441565, 2476950, 2535750, 2547720, 2604336, 2646000, 2653875, 2712850, 2790360, 2830800, 2898000, 2906625, 2929878, 2972340, 3033000, 3038392, 3042900, 3100400, 3184650, 3255420, 3302600, 3348432, 3381000, 3418191, 3487950, 3538500, 3566808, 3639600, 3715425, 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22787940, 23253000, 23439024, 24415650, 24769500, 25477200, 26159625, 27128500, 27345528, 27903600, 28484925, 29298780, 29723400, 30383920, 30429000, 31846500, 32554200, 33026000, 34181910, 34879500, 35668080, 36623475, 37154250, 37979900, 39065040, 40692750, 41018292, 41855400, 42462000, 44585100, 45575880, 46506000, 47474875, 48831300, 49539000, 51272865, 52319250, 54257000, 54691056, 55731375, 56969850, 58597560, 59446800, 60858000, 61039125, 63693000, 65108400, 68363820, 69759000, 73246950, 74308500, 75959800, 81385500, 82036584, 83710800, 85454775, 89170200, 91151760, 94949750, 97662600, 99078000, 102545730, 104638500, 108514000, 111462750, 113939700, 117195120, 122078250, 127386000, 136727640, 139518000, 142424625, 146493900, 148617000, 151919600, 162771000, 164073168, 170909550, 178340400, 183117375, 189899500, 195325200, 205091460, 209277000, 222925500, 227879400, 244156500, 256364325, 273455280, 284849250, 292987800, 297234000, 325542000, 341819100, 366234750, 379799000, 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約数ペア:

[(1, 20509146000), (2, 10254573000), (3, 6836382000), (4, 5127286500), (5, 4101829200), (6, 3418191000), (7, 2929878000), (8, 2563643250), (9, 2278794000), (10, 2050914600), (12, 1709095500), (14, 1464939000), (15, 1367276400), (16, 1281821625), (18, 1139397000), (20, 1025457300), (21, 976626000), (23, 891702000), (24, 854547750), (25, 820365840), (27, 759598000), (28, 732469500), (30, 683638200), (35, 585975600), (36, 569698500), (40, 512728650), (42, 488313000), (45, 455758800), (46, 445851000), (48, 427273875), (49, 418554000), (50, 410182920), (54, 379799000), (56, 366234750), (60, 341819100), (63, 325542000), (69, 297234000), (70, 292987800), (72, 284849250), (75, 273455280), (80, 256364325), (84, 244156500), (90, 227879400), (92, 222925500), (98, 209277000), (100, 205091460), (105, 195325200), (108, 189899500), (112, 183117375), (115, 178340400), (120, 170909550), (125, 164073168), (126, 162771000), (135, 151919600), (138, 148617000), (140, 146493900), (144, 142424625), (147, 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(115920, 176925), (116265, 176400), (117950, 173880), (120750, 169848), (121320, 169050), (121716, 168500), (124016, 165375), (124200, 165130), (126000, 162771), (126375, 162288), (127386, 161000), (132104, 155250), (132300, 155020), (134800, 152145), (135240, 151650), (138000, 148617), (139518, 147000), (140875, 145584), (141540, 144900)]