20390990032

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{8237}}^1$

素因数の和:8337

約数の個数: 120

約数和(自身を含む): 48689347968

約数和(自身を除く): 28298357936

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 31, 46, 56, 62, 92, 112, 124, 161, 184, 217, 248, 322, 368, 434, 496, 644, 713, 868, 961, 1288, 1426, 1736, 1922, 2576, 2852, 3472, 3844, 4991, 5704, 6727, 7688, 8237, 9982, 11408, 13454, 15376, 16474, 19964, 22103, 26908, 32948, 39928, 44206, 53816, 57659, 65896, 79856, 88412, 107632, 115318, 131792, 154721, 176824, 189451, 230636, 255347, 309442, 353648, 378902, 461272, 510694, 618884, 757804, 922544, 1021388, 1237768, 1326157, 1515608, 1787429, 2042776, 2475536, 2652314, 3031216, 3574858, 4085552, 5304628, 5872981, 7149716, 7915757, 10609256, 11745962, 14299432, 15831514, 21218512, 23491924, 28598864, 31663028, 41110867, 46983848, 55410299, 63326056, 82221734, 93967696, 110820598, 126652112, 164443468, 182062411, 221641196, 328886936, 364124822, 443282392, 657773872, 728249644, 886564784, 1274436877, 1456499288, 2548873754, 2912998576, 5097747508, 10195495016, 20390990032]

約数ペア:

[(1, 20390990032), (2, 10195495016), (4, 5097747508), (7, 2912998576), (8, 2548873754), (14, 1456499288), (16, 1274436877), (23, 886564784), (28, 728249644), (31, 657773872), (46, 443282392), (56, 364124822), (62, 328886936), (92, 221641196), (112, 182062411), (124, 164443468), (161, 126652112), (184, 110820598), (217, 93967696), (248, 82221734), (322, 63326056), (368, 55410299), (434, 46983848), (496, 41110867), (644, 31663028), (713, 28598864), (868, 23491924), (961, 21218512), (1288, 15831514), (1426, 14299432), (1736, 11745962), (1922, 10609256), (2576, 7915757), (2852, 7149716), (3472, 5872981), (3844, 5304628), (4991, 4085552), (5704, 3574858), (6727, 3031216), (7688, 2652314), (8237, 2475536), (9982, 2042776), (11408, 1787429), (13454, 1515608), (15376, 1326157), (16474, 1237768), (19964, 1021388), (22103, 922544), (26908, 757804), (32948, 618884), (39928, 510694), (44206, 461272), (53816, 378902), (57659, 353648), (65896, 309442), (79856, 255347), (88412, 230636), (107632, 189451), (115318, 176824), (131792, 154721)]