20786910747

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{900217}}^1$

素因数の和:900442

約数の個数: 16

約数和(自身を含む): 28518906240

約数和(自身を除く): 7731995493

約数列:

[1, 3, 43, 129, 179, 537, 7697, 23091, 900217, 2700651, 38709331, 116127993, 161138843, 483416529, 6928970249, 20786910747]

約数ペア:

[(1, 20786910747), (3, 6928970249), (43, 483416529), (129, 161138843), (179, 116127993), (537, 38709331), (7697, 2700651), (23091, 900217)]