20897799

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{3413}}^1$

素因数の和:3586

約数の個数: 16

約数和(自身を含む): 30207072

約数和(自身を除く): 9309273

約数列:

[1, 3, 13, 39, 157, 471, 2041, 3413, 6123, 10239, 44369, 133107, 535841, 1607523, 6965933, 20897799]

約数ペア:

[(1, 20897799), (3, 6965933), (13, 1607523), (39, 535841), (157, 133107), (471, 44369), (2041, 10239), (3413, 6123)]