20529397

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1\times {\mathrm{307}}^1$

素因数の和:588

約数の個数: 16

約数和(自身を含む): 24216192

約数和(自身を除く): 3686795

約数列:

[1, 7, 41, 233, 287, 307, 1631, 2149, 9553, 12587, 66871, 71531, 88109, 500717, 2932771, 20529397]

約数ペア:

[(1, 20529397), (7, 2932771), (41, 500717), (233, 88109), (287, 71531), (307, 66871), (1631, 12587), (2149, 9553)]