20478417

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1\times {\mathrm{467}}^1$

素因数の和:828

約数の個数: 16

約数和(自身を含む): 28035072

約数和(自身を除く): 7556655

約数列:

[1, 3, 47, 141, 311, 467, 933, 1401, 14617, 21949, 43851, 65847, 145237, 435711, 6826139, 20478417]

約数ペア:

[(1, 20478417), (3, 6826139), (47, 435711), (141, 145237), (311, 65847), (467, 43851), (933, 21949), (1401, 14617)]