20265847

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1531}}^1$

素因数の和:1630

約数の個数: 16

約数和(自身を含む): 24315904

約数和(自身を除く): 4050057

約数列:

[1, 7, 31, 61, 217, 427, 1531, 1891, 10717, 13237, 47461, 93391, 332227, 653737, 2895121, 20265847]

約数ペア:

[(1, 20265847), (7, 2895121), (31, 653737), (61, 332227), (217, 93391), (427, 47461), (1531, 13237), (1891, 10717)]