20562807

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{5081}}^1$

素因数の和:5174

約数の個数: 16

約数和(自身を含む): 29272320

約数和(自身を除く): 8709513

約数列:

[1, 3, 19, 57, 71, 213, 1349, 4047, 5081, 15243, 96539, 289617, 360751, 1082253, 6854269, 20562807]

約数ペア:

[(1, 20562807), (3, 6854269), (19, 1082253), (57, 360751), (71, 289617), (213, 96539), (1349, 15243), (4047, 5081)]