20088505

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{1171}}^1$

素因数の和:1296

約数の個数: 16

約数和(自身を含む): 24977664

約数和(自身を除く): 4889159

約数列:

[1, 5, 47, 73, 235, 365, 1171, 3431, 5855, 17155, 55037, 85483, 275185, 427415, 4017701, 20088505]

約数ペア:

[(1, 20088505), (5, 4017701), (47, 427415), (73, 275185), (235, 85483), (365, 55037), (1171, 17155), (3431, 5855)]