20417799

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{1109}}^1$

素因数の和:1167

約数の個数: 24

約数和(自身を含む): 30449520

約数和(自身を除く): 10031721

約数列:

[1, 3, 17, 19, 51, 57, 323, 361, 969, 1083, 1109, 3327, 6137, 18411, 18853, 21071, 56559, 63213, 358207, 400349, 1074621, 1201047, 6805933, 20417799]

約数ペア:

[(1, 20417799), (3, 6805933), (17, 1201047), (19, 1074621), (51, 400349), (57, 358207), (323, 63213), (361, 56559), (969, 21071), (1083, 18853), (1109, 18411), (3327, 6137)]