20856935

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{8819}}^1$

素因数の和:8878

約数の個数: 16

約数和(自身を含む): 27941760

約数和(自身を除く): 7084825

約数列:

[1, 5, 11, 43, 55, 215, 473, 2365, 8819, 44095, 97009, 379217, 485045, 1896085, 4171387, 20856935]

約数ペア:

[(1, 20856935), (5, 4171387), (11, 1896085), (43, 485045), (55, 379217), (215, 97009), (473, 44095), (2365, 8819)]