20321851

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{997}}^1$

素因数の和:1134

約数の個数: 16

約数和(自身を含む): 23712480

約数和(自身を除く): 3390629

約数列:

[1, 11, 17, 109, 187, 997, 1199, 1853, 10967, 16949, 20383, 108673, 186439, 1195403, 1847441, 20321851]

約数ペア:

[(1, 20321851), (11, 1847441), (17, 1195403), (109, 186439), (187, 108673), (997, 20383), (1199, 16949), (1853, 10967)]