20525981

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{701}}^1$

素因数の和:844

約数の個数: 16

約数和(自身を含む): 24261120

約数和(自身を除く): 3735139

約数列:

[1, 7, 47, 89, 329, 623, 701, 4183, 4907, 29281, 32947, 62389, 230629, 436723, 2932283, 20525981]

約数ペア:

[(1, 20525981), (7, 2932283), (47, 436723), (89, 230629), (329, 62389), (623, 32947), (701, 29281), (4183, 4907)]