20172872720

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:208

約数の個数: 640

約数和(自身を含む): 66145766400

約数和(自身を除く): 45972893680

約数列:

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約数ペア:

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