20785383

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{17903}}^1$

素因数の和:17955

約数の個数: 16

約数和(自身を含む): 31511040

約数和(自身を除く): 10725657

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 17903, 53709, 161127, 483381, 769829, 2309487, 6928461, 20785383]

約数ペア:

[(1, 20785383), (3, 6928461), (9, 2309487), (27, 769829), (43, 483381), (129, 161127), (387, 53709), (1161, 17903)]