20986707

素因数分解:

$3^1\times 7^1\times {\mathrm{911}}^1\times {\mathrm{1097}}^1$

素因数の和:2018

約数の個数: 16

約数和(自身を含む): 32044032

約数和(自身を除く): 11057325

約数列:

[1, 3, 7, 21, 911, 1097, 2733, 3291, 6377, 7679, 19131, 23037, 999367, 2998101, 6995569, 20986707]

約数ペア:

[(1, 20986707), (3, 6995569), (7, 2998101), (21, 999367), (911, 23037), (1097, 19131), (2733, 7679), (3291, 6377)]