20527641

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{17681}}^1$

素因数の和:17733

約数の個数: 16

約数和(自身を含む): 31120320

約数和(自身を除く): 10592679

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 17681, 53043, 159129, 477387, 760283, 2280849, 6842547, 20527641]

約数ペア:

[(1, 20527641), (3, 6842547), (9, 2280849), (27, 760283), (43, 477387), (129, 159129), (387, 53043), (1161, 17681)]