20959521

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37361}}^1$

素因数の和:37392

約数の個数: 16

約数和(自身を含む): 32280768

約数和(自身を除く): 11321247

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 37361, 112083, 410971, 635137, 1232913, 1905411, 6986507, 20959521]

約数ペア:

[(1, 20959521), (3, 6986507), (11, 1905411), (17, 1232913), (33, 635137), (51, 410971), (187, 112083), (561, 37361)]