20869464

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1$

素因数の和:541

約数の個数: 128

約数和(自身を含む): 68014080

約数和(自身を除く): 47144616

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 23, 24, 28, 33, 42, 44, 46, 56, 66, 69, 77, 84, 88, 92, 132, 138, 154, 161, 168, 184, 231, 253, 264, 276, 308, 322, 462, 483, 491, 506, 552, 616, 644, 759, 924, 966, 982, 1012, 1288, 1473, 1518, 1771, 1848, 1932, 1964, 2024, 2946, 3036, 3437, 3542, 3864, 3928, 5313, 5401, 5892, 6072, 6874, 7084, 10311, 10626, 10802, 11293, 11784, 13748, 14168, 16203, 20622, 21252, 21604, 22586, 27496, 32406, 33879, 37807, 41244, 42504, 43208, 45172, 64812, 67758, 75614, 79051, 82488, 90344, 113421, 124223, 129624, 135516, 151228, 158102, 226842, 237153, 248446, 271032, 302456, 316204, 372669, 453684, 474306, 496892, 632408, 745338, 869561, 907368, 948612, 993784, 1490676, 1739122, 1897224, 2608683, 2981352, 3478244, 5217366, 6956488, 10434732, 20869464]

約数ペア:

[(1, 20869464), (2, 10434732), (3, 6956488), (4, 5217366), (6, 3478244), (7, 2981352), (8, 2608683), (11, 1897224), (12, 1739122), (14, 1490676), (21, 993784), (22, 948612), (23, 907368), (24, 869561), (28, 745338), (33, 632408), (42, 496892), (44, 474306), (46, 453684), (56, 372669), (66, 316204), (69, 302456), (77, 271032), (84, 248446), (88, 237153), (92, 226842), (132, 158102), (138, 151228), (154, 135516), (161, 129624), (168, 124223), (184, 113421), (231, 90344), (253, 82488), (264, 79051), (276, 75614), (308, 67758), (322, 64812), (462, 45172), (483, 43208), (491, 42504), (506, 41244), (552, 37807), (616, 33879), (644, 32406), (759, 27496), (924, 22586), (966, 21604), (982, 21252), (1012, 20622), (1288, 16203), (1473, 14168), (1518, 13748), (1771, 11784), (1848, 11293), (1932, 10802), (1964, 10626), (2024, 10311), (2946, 7084), (3036, 6874), (3437, 6072), (3542, 5892), (3864, 5401), (3928, 5313)]