820204

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2663}}^1$

素因数の和:2685

約数の個数: 24

約数和(自身を含む): 1790208

約数和(自身を除く): 970004

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 2663, 5326, 10652, 18641, 29293, 37282, 58586, 74564, 117172, 205051, 410102, 820204]

約数ペア:

[(1, 820204), (2, 410102), (4, 205051), (7, 117172), (11, 74564), (14, 58586), (22, 37282), (28, 29293), (44, 18641), (77, 10652), (154, 5326), (308, 2663)]