20009864

素因数分解:

$2^3\times 7^1\times {\mathrm{357319}}^1$

素因数の和:357332

約数の個数: 16

約数和(自身を含む): 42878400

約数和(自身を除く): 22868536

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 357319, 714638, 1429276, 2501233, 2858552, 5002466, 10004932, 20009864]

約数ペア:

[(1, 20009864), (2, 10004932), (4, 5002466), (7, 2858552), (8, 2501233), (14, 1429276), (28, 714638), (56, 357319)]