20572772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{937}}^1$

素因数の和:1451

約数の個数: 24

約数和(自身を含む): 39396000

約数和(自身を除く): 18823228

約数列:

[1, 2, 4, 11, 22, 44, 499, 937, 998, 1874, 1996, 3748, 5489, 10307, 10978, 20614, 21956, 41228, 467563, 935126, 1870252, 5143193, 10286386, 20572772]

約数ペア:

[(1, 20572772), (2, 10286386), (4, 5143193), (11, 1870252), (22, 935126), (44, 467563), (499, 41228), (937, 21956), (998, 20614), (1874, 10978), (1996, 10307), (3748, 5489)]