20650343

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2729}}^1$

素因数の和:2806

約数の個数: 16

約数和(自身を含む): 25159680

約数和(自身を除く): 4509337

約数列:

[1, 7, 23, 47, 161, 329, 1081, 2729, 7567, 19103, 62767, 128263, 439369, 897841, 2950049, 20650343]

約数ペア:

[(1, 20650343), (7, 2950049), (23, 897841), (47, 439369), (161, 128263), (329, 62767), (1081, 19103), (2729, 7567)]