20585702

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{1999}}^1$

素因数の和:2291

約数の個数: 16

約数和(自身を含む): 32640000

約数和(自身を除く): 12054298

約数列:

[1, 2, 19, 38, 271, 542, 1999, 3998, 5149, 10298, 37981, 75962, 541729, 1083458, 10292851, 20585702]

約数ペア:

[(1, 20585702), (2, 10292851), (19, 1083458), (38, 541729), (271, 75962), (542, 37981), (1999, 10298), (3998, 5149)]