20199365975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{42524981}}^1$

素因数の和:42525010

約数の個数: 12

約数和(自身を含む): 26365488840

約数和(自身を除く): 6166122865

約数列:

[1, 5, 19, 25, 95, 475, 42524981, 212624905, 807974639, 1063124525, 4039873195, 20199365975]

約数ペア:

[(1, 20199365975), (5, 4039873195), (19, 1063124525), (25, 807974639), (95, 212624905), (475, 42524981)]