20494576

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{18041}}^1$

素因数の和:18120

約数の個数: 20

約数和(自身を含む): 40269744

約数和(自身を除く): 19775168

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 18041, 36082, 72164, 144328, 288656, 1280911, 2561822, 5123644, 10247288, 20494576]

約数ペア:

[(1, 20494576), (2, 10247288), (4, 5123644), (8, 2561822), (16, 1280911), (71, 288656), (142, 144328), (284, 72164), (568, 36082), (1136, 18041)]