20914168

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{5527}}^1$

素因数の和:5587

約数の個数: 32

約数和(自身を含む): 43781760

約数和(自身を除く): 22867592

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 473, 946, 1892, 3784, 5527, 11054, 22108, 44216, 60797, 121594, 237661, 243188, 475322, 486376, 950644, 1901288, 2614271, 5228542, 10457084, 20914168]

約数ペア:

[(1, 20914168), (2, 10457084), (4, 5228542), (8, 2614271), (11, 1901288), (22, 950644), (43, 486376), (44, 475322), (86, 243188), (88, 237661), (172, 121594), (344, 60797), (473, 44216), (946, 22108), (1892, 11054), (3784, 5527)]