20986098

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{499669}}^1$

素因数の和:499681

約数の個数: 16

約数和(自身を含む): 47968320

約数和(自身を除く): 26982222

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 499669, 999338, 1499007, 2998014, 3497683, 6995366, 10493049, 20986098]

約数ペア:

[(1, 20986098), (2, 10493049), (3, 6995366), (6, 3497683), (7, 2998014), (14, 1499007), (21, 999338), (42, 499669)]