20161901760

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20981}}^1$

素因数の和:21032

約数の個数: 448

約数和(自身を含む): 85953014784

約数和(自身を除く): 65791113024

約数列:

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約数ペア:

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