20281037

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4919}}^1$

素因数の和:4976

約数の個数: 16

約数和(自身を含む): 25190400

約数和(自身を除く): 4909363

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 4919, 34433, 93461, 152489, 654227, 1067423, 2897291, 20281037]

約数ペア:

[(1, 20281037), (7, 2897291), (19, 1067423), (31, 654227), (133, 152489), (217, 93461), (589, 34433), (4123, 4919)]