27747020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{198193}}^1$

素因数の和:198209

約数の個数: 24

約数和(自身を含む): 66593184

約数和(自身を除く): 38846164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 198193, 396386, 792772, 990965, 1387351, 1981930, 2774702, 3963860, 5549404, 6936755, 13873510, 27747020]

約数ペア:

[(1, 27747020), (2, 13873510), (4, 6936755), (5, 5549404), (7, 3963860), (10, 2774702), (14, 1981930), (20, 1387351), (28, 990965), (35, 792772), (70, 396386), (140, 198193)]