20427341

素因数分解:

${\mathrm{11}}^2\times {\mathrm{401}}^1\times {\mathrm{421}}^1$

素因数の和:844

約数の個数: 12

約数和(自身を含む): 22562652

約数和(自身を除く): 2135311

約数列:

[1, 11, 121, 401, 421, 4411, 4631, 48521, 50941, 168821, 1857031, 20427341]

約数ペア:

[(1, 20427341), (11, 1857031), (121, 168821), (401, 50941), (421, 48521), (4411, 4631)]