20025551

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{653}}^1$

素因数の和:1010

約数の個数: 16

約数和(自身を含む): 24757824

約数和(自身を除く): 4732273

約数列:

[1, 7, 13, 91, 337, 653, 2359, 4381, 4571, 8489, 30667, 59423, 220061, 1540427, 2860793, 20025551]

約数ペア:

[(1, 20025551), (7, 2860793), (13, 1540427), (91, 220061), (337, 59423), (653, 30667), (2359, 8489), (4381, 4571)]