20419644

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{243091}}^1$

素因数の和:243105

約数の個数: 24

約数和(自身を含む): 54452608

約数和(自身を除く): 34032964

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 243091, 486182, 729273, 972364, 1458546, 1701637, 2917092, 3403274, 5104911, 6806548, 10209822, 20419644]

約数ペア:

[(1, 20419644), (2, 10209822), (3, 6806548), (4, 5104911), (6, 3403274), (7, 2917092), (12, 1701637), (14, 1458546), (21, 972364), (28, 729273), (42, 486182), (84, 243091)]