20186307

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{17387}}^1$

素因数の和:17439

約数の個数: 16

約数和(自身を含む): 30602880

約数和(自身を除く): 10416573

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 17387, 52161, 156483, 469449, 747641, 2242923, 6728769, 20186307]

約数ペア:

[(1, 20186307), (3, 6728769), (9, 2242923), (27, 747641), (43, 469449), (129, 156483), (387, 52161), (1161, 17387)]