20760168

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:319

約数の個数: 128

約数和(自身を含む): 63866880

約数和(自身を除く): 43106712

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 23, 24, 26, 33, 39, 44, 46, 52, 66, 69, 78, 88, 92, 104, 132, 138, 143, 156, 184, 253, 263, 264, 276, 286, 299, 312, 429, 506, 526, 552, 572, 598, 759, 789, 858, 897, 1012, 1052, 1144, 1196, 1518, 1578, 1716, 1794, 2024, 2104, 2392, 2893, 3036, 3156, 3289, 3419, 3432, 3588, 5786, 6049, 6072, 6312, 6578, 6838, 7176, 8679, 9867, 10257, 11572, 12098, 13156, 13676, 17358, 18147, 19734, 20514, 23144, 24196, 26312, 27352, 34716, 36294, 37609, 39468, 41028, 48392, 66539, 69432, 72588, 75218, 78637, 78936, 82056, 112827, 133078, 145176, 150436, 157274, 199617, 225654, 235911, 266156, 300872, 314548, 399234, 451308, 471822, 532312, 629096, 798468, 865007, 902616, 943644, 1596936, 1730014, 1887288, 2595021, 3460028, 5190042, 6920056, 10380084, 20760168]

約数ペア:

[(1, 20760168), (2, 10380084), (3, 6920056), (4, 5190042), (6, 3460028), (8, 2595021), (11, 1887288), (12, 1730014), (13, 1596936), (22, 943644), (23, 902616), (24, 865007), (26, 798468), (33, 629096), (39, 532312), (44, 471822), (46, 451308), (52, 399234), (66, 314548), (69, 300872), (78, 266156), (88, 235911), (92, 225654), (104, 199617), (132, 157274), (138, 150436), (143, 145176), (156, 133078), (184, 112827), (253, 82056), (263, 78936), (264, 78637), (276, 75218), (286, 72588), (299, 69432), (312, 66539), (429, 48392), (506, 41028), (526, 39468), (552, 37609), (572, 36294), (598, 34716), (759, 27352), (789, 26312), (858, 24196), (897, 23144), (1012, 20514), (1052, 19734), (1144, 18147), (1196, 17358), (1518, 13676), (1578, 13156), (1716, 12098), (1794, 11572), (2024, 10257), (2104, 9867), (2392, 8679), (2893, 7176), (3036, 6838), (3156, 6578), (3289, 6312), (3419, 6072), (3432, 6049), (3588, 5786)]