20974756

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{1523}}^1$

素因数の和:1851

約数の個数: 24

約数和(自身を含む): 40197024

約数和(自身を除く): 19222268

約数列:

[1, 2, 4, 11, 22, 44, 313, 626, 1252, 1523, 3046, 3443, 6092, 6886, 13772, 16753, 33506, 67012, 476699, 953398, 1906796, 5243689, 10487378, 20974756]

約数ペア:

[(1, 20974756), (2, 10487378), (4, 5243689), (11, 1906796), (22, 953398), (44, 476699), (313, 67012), (626, 33506), (1252, 16753), (1523, 13772), (3046, 6886), (3443, 6092)]