20609141

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1301}}^1$

素因数の和:1412

約数の個数: 16

約数和(自身を含む): 24665088

約数和(自身を除く): 4055947

約数列:

[1, 7, 31, 73, 217, 511, 1301, 2263, 9107, 15841, 40331, 94973, 282317, 664811, 2944163, 20609141]

約数ペア:

[(1, 20609141), (7, 2944163), (31, 664811), (73, 282317), (217, 94973), (511, 40331), (1301, 15841), (2263, 9107)]