20666574

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{26701}}^1$

素因数の和:26752

約数の個数: 24

約数和(自身を含む): 45820632

約数和(自身を除く): 25154058

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 26701, 53402, 80103, 160206, 240309, 480618, 1148143, 2296286, 3444429, 6888858, 10333287, 20666574]

約数ペア:

[(1, 20666574), (2, 10333287), (3, 6888858), (6, 3444429), (9, 2296286), (18, 1148143), (43, 480618), (86, 240309), (129, 160206), (258, 80103), (387, 53402), (774, 26701)]