20174848232

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^2\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:328

約数の個数: 192

約数和(自身を含む): 49035715200

約数和(自身を除く): 28860866968

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 71, 73, 77, 88, 89, 142, 146, 154, 178, 284, 292, 308, 356, 497, 511, 568, 584, 616, 623, 712, 781, 803, 979, 994, 1022, 1246, 1562, 1606, 1958, 1988, 2044, 2492, 3124, 3212, 3916, 3976, 4088, 4984, 5041, 5183, 5467, 5621, 6248, 6319, 6424, 6497, 6853, 7832, 10082, 10366, 10934, 11242, 12638, 12994, 13706, 20164, 20732, 21868, 22484, 25276, 25988, 27412, 35287, 36281, 40328, 41464, 43736, 44233, 44968, 45479, 50552, 51976, 54824, 55451, 57013, 69509, 70574, 71467, 72562, 88466, 90958, 110902, 114026, 139018, 141148, 142934, 145124, 176932, 181916, 221804, 228052, 278036, 282296, 285868, 290248, 353864, 363832, 367993, 388157, 399091, 443608, 448649, 456104, 461287, 486563, 500269, 556072, 571736, 735986, 776314, 798182, 897298, 922574, 973126, 1000538, 1471972, 1552628, 1596364, 1794596, 1845148, 1946252, 2001076, 2575951, 2943944, 3105256, 3140543, 3192728, 3229009, 3589192, 3690296, 3892504, 4002152, 4047923, 4935139, 5074157, 5151902, 6281086, 6458018, 8095846, 9870278, 10148314, 10303804, 12562172, 12916036, 16191692, 19740556, 20296628, 20607608, 25124344, 25832072, 28335461, 32383384, 32751377, 34545973, 35519099, 39481112, 40593256, 56670922, 65502754, 69091946, 71038198, 113341844, 131005508, 138183892, 142076396, 226683688, 229259639, 262011016, 276367784, 284152792, 360265147, 458519278, 720530294, 917038556, 1441060588, 1834077112, 2521856029, 2882121176, 5043712058, 10087424116, 20174848232]

約数ペア:

[(1, 20174848232), (2, 10087424116), (4, 5043712058), (7, 2882121176), (8, 2521856029), (11, 1834077112), (14, 1441060588), (22, 917038556), (28, 720530294), (44, 458519278), (56, 360265147), (71, 284152792), (73, 276367784), (77, 262011016), (88, 229259639), (89, 226683688), (142, 142076396), (146, 138183892), (154, 131005508), (178, 113341844), (284, 71038198), (292, 69091946), (308, 65502754), (356, 56670922), (497, 40593256), (511, 39481112), (568, 35519099), (584, 34545973), (616, 32751377), (623, 32383384), (712, 28335461), (781, 25832072), (803, 25124344), (979, 20607608), (994, 20296628), (1022, 19740556), (1246, 16191692), (1562, 12916036), (1606, 12562172), (1958, 10303804), (1988, 10148314), (2044, 9870278), (2492, 8095846), (3124, 6458018), (3212, 6281086), (3916, 5151902), (3976, 5074157), (4088, 4935139), (4984, 4047923), (5041, 4002152), (5183, 3892504), (5467, 3690296), (5621, 3589192), (6248, 3229009), (6319, 3192728), (6424, 3140543), (6497, 3105256), (6853, 2943944), (7832, 2575951), (10082, 2001076), (10366, 1946252), (10934, 1845148), (11242, 1794596), (12638, 1596364), (12994, 1552628), (13706, 1471972), (20164, 1000538), (20732, 973126), (21868, 922574), (22484, 897298), (25276, 798182), (25988, 776314), (27412, 735986), (35287, 571736), (36281, 556072), (40328, 500269), (41464, 486563), (43736, 461287), (44233, 456104), (44968, 448649), (45479, 443608), (50552, 399091), (51976, 388157), (54824, 367993), (55451, 363832), (57013, 353864), (69509, 290248), (70574, 285868), (71467, 282296), (72562, 278036), (88466, 228052), (90958, 221804), (110902, 181916), (114026, 176932), (139018, 145124), (141148, 142934)]