20806903296

素因数分解:

$2^9\times 3^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:187

約数の個数: 640

約数和(自身を含む): 70002662400

約数和(自身を除く): 49195759104

約数列:

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約数ペア:

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