20672540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{147661}}^1$

素因数の和:147677

約数の個数: 24

約数和(自身を含む): 49614432

約数和(自身を除く): 28941892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 147661, 295322, 590644, 738305, 1033627, 1476610, 2067254, 2953220, 4134508, 5168135, 10336270, 20672540]

約数ペア:

[(1, 20672540), (2, 10336270), (4, 5168135), (5, 4134508), (7, 2953220), (10, 2067254), (14, 1476610), (20, 1033627), (28, 738305), (35, 590644), (70, 295322), (140, 147661)]