20419728

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{60773}}^1$

素因数の和:60791

約数の個数: 40

約数和(自身を含む): 60287808

約数和(自身を除く): 39868080

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 60773, 121546, 182319, 243092, 364638, 425411, 486184, 729276, 850822, 972368, 1276233, 1458552, 1701644, 2552466, 2917104, 3403288, 5104932, 6806576, 10209864, 20419728]

約数ペア:

[(1, 20419728), (2, 10209864), (3, 6806576), (4, 5104932), (6, 3403288), (7, 2917104), (8, 2552466), (12, 1701644), (14, 1458552), (16, 1276233), (21, 972368), (24, 850822), (28, 729276), (42, 486184), (48, 425411), (56, 364638), (84, 243092), (112, 182319), (168, 121546), (336, 60773)]