20431291287

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{1308943}}^1$

素因数の和:1309011

約数の個数: 24

約数和(自身を含む): 30639761152

約数和(自身を除く): 10208469865

約数列:

[1, 3, 11, 33, 43, 121, 129, 363, 473, 1419, 5203, 15609, 1308943, 3926829, 14398373, 43195119, 56284549, 158382103, 168853647, 475146309, 619130039, 1857390117, 6810430429, 20431291287]

約数ペア:

[(1, 20431291287), (3, 6810430429), (11, 1857390117), (33, 619130039), (43, 475146309), (121, 168853647), (129, 158382103), (363, 56284549), (473, 43195119), (1419, 14398373), (5203, 3926829), (15609, 1308943)]