20808624578

素因数分解:

$2^1\times 7^1\times {\mathrm{1231}}^1\times {\mathrm{1207417}}^1$

素因数の和:1208657

約数の個数: 16

約数和(自身を含む): 35700935424

約数和(自身を除く): 14892310846

約数列:

[1, 2, 7, 14, 1231, 2462, 8617, 17234, 1207417, 2414834, 8451919, 16903838, 1486330327, 2972660654, 10404312289, 20808624578]

約数ペア:

[(1, 20808624578), (2, 10404312289), (7, 2972660654), (14, 1486330327), (1231, 16903838), (2462, 8451919), (8617, 2414834), (17234, 1207417)]