20825068

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{2531}}^1$

素因数の和:2574

約数の個数: 36

約数和(自身を含む): 42431256

約数和(自身を除く): 21606188

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 121, 187, 242, 374, 484, 748, 2057, 2531, 4114, 5062, 8228, 10124, 27841, 43027, 55682, 86054, 111364, 172108, 306251, 473297, 612502, 946594, 1225004, 1893188, 5206267, 10412534, 20825068]

約数ペア:

[(1, 20825068), (2, 10412534), (4, 5206267), (11, 1893188), (17, 1225004), (22, 946594), (34, 612502), (44, 473297), (68, 306251), (121, 172108), (187, 111364), (242, 86054), (374, 55682), (484, 43027), (748, 27841), (2057, 10124), (2531, 8228), (4114, 5062)]