20742583680

素因数分解:

$2^7\times 3^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4397}}^1$

素因数の和:4448

約数の個数: 640

約数和(自身を含む): 91190594880

約数和(自身を除く): 70448011200

約数列:

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約数ペア:

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