20904235

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{8839}}^1$

素因数の和:8898

約数の個数: 16

約数和(自身を含む): 28005120

約数和(自身を除く): 7100885

約数列:

[1, 5, 11, 43, 55, 215, 473, 2365, 8839, 44195, 97229, 380077, 486145, 1900385, 4180847, 20904235]

約数ペア:

[(1, 20904235), (5, 4180847), (11, 1900385), (43, 486145), (55, 380077), (215, 97229), (473, 44195), (2365, 8839)]