20408088687

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{7093531}}^1$

素因数の和:7093678

約数の個数: 16

約数和(自身を含む): 31325037312

約数和(自身を除く): 10916948625

約数列:

[1, 3, 7, 21, 137, 411, 959, 2877, 7093531, 21280593, 49654717, 148964151, 971813747, 2915441241, 6802696229, 20408088687]

約数ペア:

[(1, 20408088687), (3, 6802696229), (7, 2915441241), (21, 971813747), (137, 148964151), (411, 49654717), (959, 21280593), (2877, 7093531)]