20909534

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1\times {\mathrm{431}}^1$

素因数の和:751

約数の個数: 16

約数和(自身を含む): 31850496

約数和(自身を除く): 10940962

約数列:

[1, 2, 127, 191, 254, 382, 431, 862, 24257, 48514, 54737, 82321, 109474, 164642, 10454767, 20909534]

約数ペア:

[(1, 20909534), (2, 10454767), (127, 164642), (191, 109474), (254, 82321), (382, 54737), (431, 48514), (862, 24257)]