20395288

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{68903}}^1$

素因数の和:68946

約数の個数: 16

約数和(自身を含む): 39275280

約数和(自身を除く): 18879992

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 68903, 137806, 275612, 551224, 2549411, 5098822, 10197644, 20395288]

約数ペア:

[(1, 20395288), (2, 10197644), (4, 5098822), (8, 2549411), (37, 551224), (74, 275612), (148, 137806), (296, 68903)]