20274452

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{2339}}^1$

素因数の和:2551

約数の個数: 24

約数和(自身を含む): 38918880

約数和(自身を除く): 18644428

約数列:

[1, 2, 4, 11, 22, 44, 197, 394, 788, 2167, 2339, 4334, 4678, 8668, 9356, 25729, 51458, 102916, 460783, 921566, 1843132, 5068613, 10137226, 20274452]

約数ペア:

[(1, 20274452), (2, 10137226), (4, 5068613), (11, 1843132), (22, 921566), (44, 460783), (197, 102916), (394, 51458), (788, 25729), (2167, 9356), (2339, 8668), (4334, 4678)]