20161516144

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{47161}}^1$

素因数の和:47534

約数の個数: 80

約数和(自身を含む): 48843230976

約数和(自身を除く): 28681714832

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 347, 616, 694, 1232, 1388, 2429, 2776, 3817, 4858, 5552, 7634, 9716, 15268, 19432, 26719, 30536, 38864, 47161, 53438, 61072, 94322, 106876, 188644, 213752, 330127, 377288, 427504, 518771, 660254, 754576, 1037542, 1320508, 2075084, 2641016, 3631397, 4150168, 5282032, 7262794, 8300336, 14525588, 16364867, 29051176, 32729734, 58102352, 65459468, 114554069, 130918936, 180013537, 229108138, 261837872, 360027074, 458216276, 720054148, 916432552, 1260094759, 1440108296, 1832865104, 2520189518, 2880216592, 5040379036, 10080758072, 20161516144]

約数ペア:

[(1, 20161516144), (2, 10080758072), (4, 5040379036), (7, 2880216592), (8, 2520189518), (11, 1832865104), (14, 1440108296), (16, 1260094759), (22, 916432552), (28, 720054148), (44, 458216276), (56, 360027074), (77, 261837872), (88, 229108138), (112, 180013537), (154, 130918936), (176, 114554069), (308, 65459468), (347, 58102352), (616, 32729734), (694, 29051176), (1232, 16364867), (1388, 14525588), (2429, 8300336), (2776, 7262794), (3817, 5282032), (4858, 4150168), (5552, 3631397), (7634, 2641016), (9716, 2075084), (15268, 1320508), (19432, 1037542), (26719, 754576), (30536, 660254), (38864, 518771), (47161, 427504), (53438, 377288), (61072, 330127), (94322, 213752), (106876, 188644)]