20196339

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{3433}}^1$

素因数の和:3526

約数の個数: 16

約数和(自身を含む): 28186272

約数和(自身を除く): 7989933

約数列:

[1, 3, 37, 53, 111, 159, 1961, 3433, 5883, 10299, 127021, 181949, 381063, 545847, 6732113, 20196339]

約数ペア:

[(1, 20196339), (3, 6732113), (37, 545847), (53, 381063), (111, 181949), (159, 127021), (1961, 10299), (3433, 5883)]