20122535160

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{491}}^1$

素因数の和:673

約数の個数: 640

約数和(自身を含む): 84011558400

約数和(自身を除く): 63889023240

約数列:

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約数ペア:

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