20202217

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1637}}^1$

素因数の和:1728

約数の個数: 16

約数和(自身を含む): 24216192

約数和(自身を除く): 4013975

約数列:

[1, 7, 41, 43, 287, 301, 1637, 1763, 11459, 12341, 67117, 70391, 469819, 492737, 2886031, 20202217]

約数ペア:

[(1, 20202217), (7, 2886031), (41, 492737), (43, 469819), (287, 70391), (301, 67117), (1637, 12341), (1763, 11459)]