20859069

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{8209}}^1$

素因数の和:8241

約数の個数: 24

約数和(自身を含む): 34941760

約数和(自身を除く): 14082691

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 8209, 24627, 57463, 90299, 172389, 270897, 632093, 993289, 1896279, 2979867, 6953023, 20859069]

約数ペア:

[(1, 20859069), (3, 6953023), (7, 2979867), (11, 1896279), (21, 993289), (33, 632093), (77, 270897), (121, 172389), (231, 90299), (363, 57463), (847, 24627), (2541, 8209)]