20558307

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{88997}}^1$

素因数の和:89018

約数の個数: 16

約数和(自身を含む): 34175232

約数和(自身を除く): 13616925

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 88997, 266991, 622979, 978967, 1868937, 2936901, 6852769, 20558307]

約数ペア:

[(1, 20558307), (3, 6852769), (7, 2936901), (11, 1868937), (21, 978967), (33, 622979), (77, 266991), (231, 88997)]