20651343

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{809}}^1$

素因数の和:1006

約数の個数: 16

約数和(自身を含む): 28200960

約数和(自身を除く): 7549617

約数列:

[1, 3, 67, 127, 201, 381, 809, 2427, 8509, 25527, 54203, 102743, 162609, 308229, 6883781, 20651343]

約数ペア:

[(1, 20651343), (3, 6883781), (67, 308229), (127, 162609), (201, 102743), (381, 54203), (809, 25527), (2427, 8509)]