20463804

素因数分解:

$2^2\times 3^2\times {\mathrm{568439}}^1$

素因数の和:568449

約数の個数: 18

約数和(自身を含む): 51728040

約数和(自身を除く): 31264236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 568439, 1136878, 1705317, 2273756, 3410634, 5115951, 6821268, 10231902, 20463804]

約数ペア:

[(1, 20463804), (2, 10231902), (3, 6821268), (4, 5115951), (6, 3410634), (9, 2273756), (12, 1705317), (18, 1136878), (36, 568439)]