20892039

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{52361}}^1$

素因数の和:52390

約数の個数: 16

約数和(自身を含む): 33511680

約数和(自身を除く): 12619641

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 52361, 157083, 366527, 994859, 1099581, 2984577, 6964013, 20892039]

約数ペア:

[(1, 20892039), (3, 6964013), (7, 2984577), (19, 1099581), (21, 994859), (57, 366527), (133, 157083), (399, 52361)]