20149148

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{1489}}^1$

素因数の和:1709

約数の個数: 24

約数和(自身を含む): 37548000

約数和(自身を除く): 17398852

約数列:

[1, 2, 4, 17, 34, 68, 199, 398, 796, 1489, 2978, 3383, 5956, 6766, 13532, 25313, 50626, 101252, 296311, 592622, 1185244, 5037287, 10074574, 20149148]

約数ペア:

[(1, 20149148), (2, 10074574), (4, 5037287), (17, 1185244), (34, 592622), (68, 296311), (199, 101252), (398, 50626), (796, 25313), (1489, 13532), (2978, 6766), (3383, 5956)]