20168918000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:234

約数の個数: 640

約数和(自身を含む): 65627228160

約数和(自身を除く): 45458310160

約数列:

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約数ペア:

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