20197802090

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{42974047}}^1$

素因数の和:42974101

約数の個数: 16

約数和(自身を含む): 37129577472

約数和(自身を除く): 16931775382

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 42974047, 85948094, 214870235, 429740470, 2019780209, 4039560418, 10098901045, 20197802090]

約数ペア:

[(1, 20197802090), (2, 10098901045), (5, 4039560418), (10, 2019780209), (47, 429740470), (94, 214870235), (235, 85948094), (470, 42974047)]