20844819

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{32621}}^1$

素因数の和:32698

約数の個数: 12

約数和(自身を含む): 30534192

約数和(自身を除く): 9689373

約数列:

[1, 3, 9, 71, 213, 639, 32621, 97863, 293589, 2316091, 6948273, 20844819]

約数ペア:

[(1, 20844819), (3, 6948273), (9, 2316091), (71, 293589), (213, 97863), (639, 32621)]