20051170920

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1$

素因数の和:519

約数の個数: 640

約数和(自身を含む): 78169639680

約数和(自身を除く): 58118468760

約数列:

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約数ペア:

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