20386859

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^2$

素因数の和:394

約数の個数: 12

約数和(自身を含む): 22221144

約数和(自身を除く): 1834285

約数列:

[1, 17, 43, 167, 731, 2839, 7181, 27889, 122077, 474113, 1199227, 20386859]

約数ペア:

[(1, 20386859), (17, 1199227), (43, 474113), (167, 122077), (731, 27889), (2839, 7181)]