20406908

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{96259}}^1$

素因数の和:96316

約数の個数: 12

約数和(自身を含む): 36386280

約数和(自身を除く): 15979372

約数列:

[1, 2, 4, 53, 106, 212, 96259, 192518, 385036, 5101727, 10203454, 20406908]

約数ペア:

[(1, 20406908), (2, 10203454), (4, 5101727), (53, 385036), (106, 192518), (212, 96259)]