20109061

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{2549}}^1$

素因数の和:2593

約数の個数: 16

約数和(自身を含む): 24480000

約数和(自身を除く): 4370939

約数列:

[1, 7, 23, 49, 161, 343, 1127, 2549, 7889, 17843, 58627, 124901, 410389, 874307, 2872723, 20109061]

約数ペア:

[(1, 20109061), (7, 2872723), (23, 874307), (49, 410389), (161, 124901), (343, 58627), (1127, 17843), (2549, 7889)]