20609463

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{11027}}^1$

素因数の和:11126

約数の個数: 16

約数和(自身を含む): 31760640

約数和(自身を除く): 11151177

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 11027, 33081, 77189, 231567, 981403, 2944209, 6869821, 20609463]

約数ペア:

[(1, 20609463), (3, 6869821), (7, 2944209), (21, 981403), (89, 231567), (267, 77189), (623, 33081), (1869, 11027)]