20947128

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{51341}}^1$

素因数の和:51367

約数の個数: 32

約数和(自身を含む): 55449360

約数和(自身を除く): 34502232

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 51341, 102682, 154023, 205364, 308046, 410728, 616092, 872797, 1232184, 1745594, 2618391, 3491188, 5236782, 6982376, 10473564, 20947128]

約数ペア:

[(1, 20947128), (2, 10473564), (3, 6982376), (4, 5236782), (6, 3491188), (8, 2618391), (12, 1745594), (17, 1232184), (24, 872797), (34, 616092), (51, 410728), (68, 308046), (102, 205364), (136, 154023), (204, 102682), (408, 51341)]