20540795

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{9109}}^1$

素因数の和:9166

約数の個数: 16

約数和(自身を含む): 27548640

約数和(自身を除く): 7007845

約数列:

[1, 5, 11, 41, 55, 205, 451, 2255, 9109, 45545, 100199, 373469, 500995, 1867345, 4108159, 20540795]

約数ペア:

[(1, 20540795), (5, 4108159), (11, 1867345), (41, 500995), (55, 373469), (205, 100199), (451, 45545), (2255, 9109)]