20951105

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{13921}}^1$

素因数の和:13976

約数の個数: 16

約数和(自身を含む): 29403264

約数和(自身を除く): 8452159

約数列:

[1, 5, 7, 35, 43, 215, 301, 1505, 13921, 69605, 97447, 487235, 598603, 2993015, 4190221, 20951105]

約数ペア:

[(1, 20951105), (5, 4190221), (7, 2993015), (35, 598603), (43, 487235), (215, 97447), (301, 69605), (1505, 13921)]