20543288

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{69403}}^1$

素因数の和:69446

約数の個数: 16

約数和(自身を含む): 39560280

約数和(自身を除く): 19016992

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 69403, 138806, 277612, 555224, 2567911, 5135822, 10271644, 20543288]

約数ペア:

[(1, 20543288), (2, 10271644), (4, 5135822), (8, 2567911), (37, 555224), (74, 277612), (148, 138806), (296, 69403)]