20854191

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{5153}}^1$

素因数の和:5246

約数の個数: 16

約数和(自身を含む): 29687040

約数和(自身を除く): 8832849

約数列:

[1, 3, 19, 57, 71, 213, 1349, 4047, 5153, 15459, 97907, 293721, 365863, 1097589, 6951397, 20854191]

約数ペア:

[(1, 20854191), (3, 6951397), (19, 1097589), (57, 365863), (71, 293721), (213, 97907), (1349, 15459), (4047, 5153)]