20191869

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{43991}}^1$

素因数の和:44017

約数の個数: 16

約数和(自身を含む): 31674240

約数和(自身を除く): 11482371

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 43991, 131973, 395919, 747847, 1187757, 2243541, 6730623, 20191869]

約数ペア:

[(1, 20191869), (3, 6730623), (9, 2243541), (17, 1187757), (27, 747847), (51, 395919), (153, 131973), (459, 43991)]