20166936720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:263

約数の個数: 640

約数和(自身を含む): 76520816640

約数和(自身を除く): 56353879920

約数列:

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約数ペア:

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