20092105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{911}}^1$

素因数の和:1328

約数の個数: 16

約数和(自身を含む): 26396928

約数和(自身を除く): 6304823

約数列:

[1, 5, 11, 55, 401, 911, 2005, 4411, 4555, 10021, 22055, 50105, 365311, 1826555, 4018421, 20092105]

約数ペア:

[(1, 20092105), (5, 4018421), (11, 1826555), (55, 365311), (401, 50105), (911, 22055), (2005, 10021), (4411, 4555)]