20654425834

素因数分解:

$2^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{3360629}}^1$

素因数の和:3361077

約数の個数: 16

約数和(自身を含む): 35488252800

約数和(自身を除く): 14833826966

約数列:

[1, 2, 7, 14, 439, 878, 3073, 6146, 3360629, 6721258, 23524403, 47048806, 1475316131, 2950632262, 10327212917, 20654425834]

約数ペア:

[(1, 20654425834), (2, 10327212917), (7, 2950632262), (14, 1475316131), (439, 47048806), (878, 23524403), (3073, 6721258), (6146, 3360629)]