83563420

素因数分解:

$2^2\times 5^1\times {\mathrm{4178171}}^1$

素因数の和:4178180

約数の個数: 12

約数和(自身を含む): 175483224

約数和(自身を除く): 91919804

約数列:

[1, 2, 4, 5, 10, 20, 4178171, 8356342, 16712684, 20890855, 41781710, 83563420]

約数ペア:

[(1, 83563420), (2, 41781710), (4, 20890855), (5, 16712684), (10, 8356342), (20, 4178171)]