20364960

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:84

約数の個数: 384

約数和(自身を含む): 87091200

約数和(自身を除く): 66726240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 19, 20, 21, 22, 24, 28, 29, 30, 32, 33, 35, 38, 40, 42, 44, 48, 55, 56, 57, 58, 60, 66, 70, 76, 77, 80, 84, 87, 88, 95, 96, 105, 110, 112, 114, 116, 120, 132, 133, 140, 145, 152, 154, 160, 165, 168, 174, 176, 190, 203, 209, 210, 220, 224, 228, 231, 232, 240, 264, 266, 280, 285, 290, 304, 308, 319, 330, 336, 348, 352, 380, 385, 399, 406, 418, 420, 435, 440, 456, 462, 464, 480, 528, 532, 551, 560, 570, 580, 608, 609, 616, 627, 638, 660, 665, 672, 696, 760, 770, 798, 812, 836, 840, 870, 880, 912, 924, 928, 957, 1015, 1045, 1056, 1064, 1102, 1120, 1140, 1155, 1160, 1218, 1232, 1254, 1276, 1320, 1330, 1392, 1463, 1520, 1540, 1595, 1596, 1624, 1653, 1672, 1680, 1740, 1760, 1824, 1848, 1914, 1995, 2030, 2090, 2128, 2204, 2233, 2280, 2310, 2320, 2436, 2464, 2508, 2552, 2640, 2660, 2755, 2784, 2926, 3040, 3045, 3080, 3135, 3190, 3192, 3248, 3306, 3344, 3360, 3480, 3696, 3828, 3857, 3990, 4060, 4180, 4256, 4389, 4408, 4466, 4560, 4620, 4640, 4785, 4872, 5016, 5104, 5280, 5320, 5510, 5852, 6061, 6090, 6160, 6270, 6380, 6384, 6496, 6612, 6688, 6699, 6960, 7315, 7392, 7656, 7714, 7980, 8120, 8265, 8360, 8778, 8816, 8932, 9120, 9240, 9570, 9744, 10032, 10208, 10640, 11020, 11165, 11571, 11704, 12122, 12180, 12320, 12540, 12760, 12768, 13224, 13398, 13920, 14630, 15312, 15428, 15960, 16240, 16530, 16720, 17556, 17632, 17864, 18183, 18480, 19140, 19285, 19488, 20064, 21280, 21945, 22040, 22330, 23142, 23408, 24244, 24360, 25080, 25520, 26448, 26796, 29260, 30305, 30624, 30856, 31920, 32480, 33060, 33440, 33495, 35112, 35728, 36366, 36960, 38280, 38570, 42427, 43890, 44080, 44660, 46284, 46816, 48488, 48720, 50160, 51040, 52896, 53592, 57855, 58520, 60610, 61712, 63840, 66120, 66990, 70224, 71456, 72732, 76560, 77140, 84854, 87780, 88160, 89320, 90915, 92568, 96976, 97440, 100320, 107184, 115710, 117040, 121220, 123424, 127281, 132240, 133980, 140448, 145464, 153120, 154280, 169708, 175560, 178640, 181830, 185136, 193952, 212135, 214368, 231420, 234080, 242440, 254562, 264480, 267960, 290928, 308560, 339416, 351120, 357280, 363660, 370272, 424270, 462840, 484880, 509124, 535920, 581856, 617120, 636405, 678832, 702240, 727320, 848540, 925680, 969760, 1018248, 1071840, 1272810, 1357664, 1454640, 1697080, 1851360, 2036496, 2545620, 2909280, 3394160, 4072992, 5091240, 6788320, 10182480, 20364960]

約数ペア:

[(1, 20364960), (2, 10182480), (3, 6788320), (4, 5091240), (5, 4072992), (6, 3394160), (7, 2909280), (8, 2545620), (10, 2036496), (11, 1851360), (12, 1697080), (14, 1454640), (15, 1357664), (16, 1272810), (19, 1071840), (20, 1018248), (21, 969760), (22, 925680), (24, 848540), (28, 727320), (29, 702240), (30, 678832), (32, 636405), (33, 617120), (35, 581856), (38, 535920), (40, 509124), (42, 484880), (44, 462840), (48, 424270), (55, 370272), (56, 363660), (57, 357280), (58, 351120), (60, 339416), (66, 308560), (70, 290928), (76, 267960), (77, 264480), (80, 254562), (84, 242440), (87, 234080), (88, 231420), (95, 214368), (96, 212135), (105, 193952), (110, 185136), (112, 181830), (114, 178640), (116, 175560), (120, 169708), (132, 154280), (133, 153120), (140, 145464), (145, 140448), (152, 133980), (154, 132240), (160, 127281), (165, 123424), (168, 121220), (174, 117040), (176, 115710), (190, 107184), (203, 100320), (209, 97440), (210, 96976), (220, 92568), (224, 90915), (228, 89320), (231, 88160), (232, 87780), (240, 84854), (264, 77140), (266, 76560), (280, 72732), (285, 71456), (290, 70224), (304, 66990), (308, 66120), (319, 63840), (330, 61712), (336, 60610), (348, 58520), (352, 57855), (380, 53592), (385, 52896), (399, 51040), (406, 50160), (418, 48720), (420, 48488), (435, 46816), (440, 46284), (456, 44660), (462, 44080), (464, 43890), (480, 42427), (528, 38570), (532, 38280), (551, 36960), (560, 36366), (570, 35728), (580, 35112), (608, 33495), (609, 33440), (616, 33060), (627, 32480), (638, 31920), (660, 30856), (665, 30624), (672, 30305), (696, 29260), (760, 26796), (770, 26448), (798, 25520), (812, 25080), (836, 24360), (840, 24244), (870, 23408), (880, 23142), (912, 22330), (924, 22040), (928, 21945), (957, 21280), (1015, 20064), (1045, 19488), (1056, 19285), (1064, 19140), (1102, 18480), (1120, 18183), (1140, 17864), (1155, 17632), (1160, 17556), (1218, 16720), (1232, 16530), (1254, 16240), (1276, 15960), (1320, 15428), (1330, 15312), (1392, 14630), (1463, 13920), (1520, 13398), (1540, 13224), (1595, 12768), (1596, 12760), (1624, 12540), (1653, 12320), (1672, 12180), (1680, 12122), (1740, 11704), (1760, 11571), (1824, 11165), (1848, 11020), (1914, 10640), (1995, 10208), (2030, 10032), (2090, 9744), (2128, 9570), (2204, 9240), (2233, 9120), (2280, 8932), (2310, 8816), (2320, 8778), (2436, 8360), (2464, 8265), (2508, 8120), (2552, 7980), (2640, 7714), (2660, 7656), (2755, 7392), (2784, 7315), (2926, 6960), (3040, 6699), (3045, 6688), (3080, 6612), (3135, 6496), (3190, 6384), (3192, 6380), (3248, 6270), (3306, 6160), (3344, 6090), (3360, 6061), (3480, 5852), (3696, 5510), (3828, 5320), (3857, 5280), (3990, 5104), (4060, 5016), (4180, 4872), (4256, 4785), (4389, 4640), (4408, 4620), (4466, 4560)]