20855121

素因数分解:

$3^1\times 7^1\times {\mathrm{929}}^1\times {\mathrm{1069}}^1$

素因数の和:2008

約数の個数: 16

約数和(自身を含む): 31843200

約数和(自身を除く): 10988079

約数列:

[1, 3, 7, 21, 929, 1069, 2787, 3207, 6503, 7483, 19509, 22449, 993101, 2979303, 6951707, 20855121]

約数ペア:

[(1, 20855121), (3, 6951707), (7, 2979303), (21, 993101), (929, 22449), (1069, 19509), (2787, 7483), (3207, 6503)]