20428646

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{63443}}^1$

素因数の和:63475

約数の個数: 16

約数和(自身を含む): 36543744

約数和(自身を除く): 16115098

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 63443, 126886, 444101, 888202, 1459189, 2918378, 10214323, 20428646]

約数ペア:

[(1, 20428646), (2, 10214323), (7, 2918378), (14, 1459189), (23, 888202), (46, 444101), (161, 126886), (322, 63443)]