20994008

素因数分解:

$2^3\times 7^1\times {\mathrm{374893}}^1$

素因数の和:374906

約数の個数: 16

約数和(自身を含む): 44987280

約数和(自身を除く): 23993272

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 374893, 749786, 1499572, 2624251, 2999144, 5248502, 10497004, 20994008]

約数ペア:

[(1, 20994008), (2, 10497004), (4, 5248502), (7, 2999144), (8, 2624251), (14, 1499572), (28, 749786), (56, 374893)]