20804523605

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1\times {\mathrm{253081}}^1$

素因数の和:253528

約数の個数: 16

約数和(自身を含む): 25638218928

約数和(自身を除く): 4833695323

約数列:

[1, 5, 41, 205, 401, 2005, 16441, 82205, 253081, 1265405, 10376321, 51881605, 101485481, 507427405, 4160904721, 20804523605]

約数ペア:

[(1, 20804523605), (5, 4160904721), (41, 507427405), (205, 101485481), (401, 51881605), (2005, 10376321), (16441, 1265405), (82205, 253081)]