20168566

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{4111}}^1$

素因数の和:4347

約数の個数: 16

約数和(自身を含む): 33159168

約数和(自身を除く): 12990602

約数列:

[1, 2, 11, 22, 223, 446, 2453, 4111, 4906, 8222, 45221, 90442, 916753, 1833506, 10084283, 20168566]

約数ペア:

[(1, 20168566), (2, 10084283), (11, 1833506), (22, 916753), (223, 90442), (446, 45221), (2453, 8222), (4111, 4906)]