20739371520

素因数分解:

$2^9\times 3^1\times 5^1\times 7^3\times {\mathrm{7873}}^1$

素因数の和:7920

約数の個数: 320

約数和(自身を含む): 77328979200

約数和(自身を除く): 56589607680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 256, 280, 294, 320, 336, 343, 384, 392, 420, 448, 480, 490, 512, 560, 588, 640, 672, 686, 735, 768, 784, 840, 896, 960, 980, 1029, 1120, 1176, 1280, 1344, 1372, 1470, 1536, 1568, 1680, 1715, 1792, 1920, 1960, 2058, 2240, 2352, 2560, 2688, 2744, 2940, 3136, 3360, 3430, 3584, 3840, 3920, 4116, 4480, 4704, 5145, 5376, 5488, 5880, 6272, 6720, 6860, 7680, 7840, 7873, 8232, 8960, 9408, 10290, 10752, 10976, 11760, 12544, 13440, 13720, 15680, 15746, 16464, 17920, 18816, 20580, 21952, 23520, 23619, 25088, 26880, 27440, 31360, 31492, 32928, 37632, 39365, 41160, 43904, 47040, 47238, 53760, 54880, 55111, 62720, 62984, 65856, 75264, 78730, 82320, 87808, 94080, 94476, 109760, 110222, 118095, 125440, 125968, 131712, 157460, 164640, 165333, 175616, 188160, 188952, 219520, 220444, 236190, 251936, 263424, 275555, 314920, 329280, 330666, 376320, 377904, 385777, 439040, 440888, 472380, 503872, 526848, 551110, 629840, 658560, 661332, 755808, 771554, 826665, 878080, 881776, 944760, 1007744, 1102220, 1157331, 1259680, 1317120, 1322664, 1511616, 1543108, 1653330, 1763552, 1889520, 1928885, 2015488, 2204440, 2314662, 2519360, 2634240, 2645328, 2700439, 3023232, 3086216, 3306660, 3527104, 3779040, 3857770, 4030976, 4408880, 4629324, 5038720, 5290656, 5400878, 5786655, 6046464, 6172432, 6613320, 7054208, 7558080, 7715540, 8101317, 8817760, 9258648, 10077440, 10581312, 10801756, 11573310, 12092928, 12344864, 13226640, 13502195, 14108416, 15116160, 15431080, 16202634, 17635520, 18517296, 20154880, 21162624, 21603512, 23146620, 24689728, 26453280, 27004390, 28216832, 30232320, 30862160, 32405268, 35271040, 37034592, 40506585, 42325248, 43207024, 46293240, 49379456, 52906560, 54008780, 60464640, 61724320, 64810536, 70542080, 74069184, 81013170, 84650496, 86414048, 92586480, 98758912, 105813120, 108017560, 123448640, 129621072, 141084160, 148138368, 162026340, 172828096, 185172960, 197517824, 211626240, 216035120, 246897280, 259242144, 296276736, 324052680, 345656192, 370345920, 423252480, 432070240, 493794560, 518484288, 592553472, 648105360, 691312384, 740691840, 864140480, 987589120, 1036968576, 1296210720, 1382624768, 1481383680, 1728280960, 2073937152, 2592421440, 2962767360, 3456561920, 4147874304, 5184842880, 6913123840, 10369685760, 20739371520]

約数ペア:

[(1, 20739371520), (2, 10369685760), (3, 6913123840), (4, 5184842880), (5, 4147874304), (6, 3456561920), (7, 2962767360), (8, 2592421440), (10, 2073937152), (12, 1728280960), (14, 1481383680), (15, 1382624768), (16, 1296210720), (20, 1036968576), (21, 987589120), (24, 864140480), (28, 740691840), (30, 691312384), (32, 648105360), (35, 592553472), (40, 518484288), (42, 493794560), (48, 432070240), (49, 423252480), (56, 370345920), (60, 345656192), (64, 324052680), (70, 296276736), (80, 259242144), (84, 246897280), (96, 216035120), (98, 211626240), (105, 197517824), (112, 185172960), (120, 172828096), (128, 162026340), (140, 148138368), (147, 141084160), (160, 129621072), (168, 123448640), (192, 108017560), (196, 105813120), (210, 98758912), (224, 92586480), (240, 86414048), (245, 84650496), (256, 81013170), (280, 74069184), (294, 70542080), (320, 64810536), (336, 61724320), (343, 60464640), (384, 54008780), (392, 52906560), (420, 49379456), (448, 46293240), (480, 43207024), (490, 42325248), (512, 40506585), (560, 37034592), (588, 35271040), (640, 32405268), (672, 30862160), (686, 30232320), (735, 28216832), (768, 27004390), (784, 26453280), (840, 24689728), (896, 23146620), (960, 21603512), (980, 21162624), (1029, 20154880), (1120, 18517296), (1176, 17635520), (1280, 16202634), (1344, 15431080), (1372, 15116160), (1470, 14108416), (1536, 13502195), (1568, 13226640), (1680, 12344864), (1715, 12092928), (1792, 11573310), (1920, 10801756), (1960, 10581312), (2058, 10077440), (2240, 9258648), (2352, 8817760), (2560, 8101317), (2688, 7715540), (2744, 7558080), (2940, 7054208), (3136, 6613320), (3360, 6172432), (3430, 6046464), (3584, 5786655), (3840, 5400878), (3920, 5290656), (4116, 5038720), (4480, 4629324), (4704, 4408880), (5145, 4030976), (5376, 3857770), (5488, 3779040), (5880, 3527104), (6272, 3306660), (6720, 3086216), (6860, 3023232), (7680, 2700439), (7840, 2645328), (7873, 2634240), (8232, 2519360), (8960, 2314662), (9408, 2204440), (10290, 2015488), (10752, 1928885), (10976, 1889520), (11760, 1763552), (12544, 1653330), (13440, 1543108), (13720, 1511616), (15680, 1322664), (15746, 1317120), (16464, 1259680), (17920, 1157331), (18816, 1102220), (20580, 1007744), (21952, 944760), (23520, 881776), (23619, 878080), (25088, 826665), (26880, 771554), (27440, 755808), (31360, 661332), (31492, 658560), (32928, 629840), (37632, 551110), (39365, 526848), (41160, 503872), (43904, 472380), (47040, 440888), (47238, 439040), (53760, 385777), (54880, 377904), (55111, 376320), (62720, 330666), (62984, 329280), (65856, 314920), (75264, 275555), (78730, 263424), (82320, 251936), (87808, 236190), (94080, 220444), (94476, 219520), (109760, 188952), (110222, 188160), (118095, 175616), (125440, 165333), (125968, 164640), (131712, 157460)]