20630561

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{857}}^1$

素因数の和:1064

約数の個数: 16

約数和(自身を含む): 24984960

約数和(自身を除く): 4354399

約数列:

[1, 7, 19, 133, 181, 857, 1267, 3439, 5999, 16283, 24073, 113981, 155117, 1085819, 2947223, 20630561]

約数ペア:

[(1, 20630561), (7, 2947223), (19, 1085819), (133, 155117), (181, 113981), (857, 24073), (1267, 16283), (3439, 5999)]