20160863121

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{639601}}^1$

素因数の和:639709

約数の個数: 32

約数和(自身を含む): 32747622400

約数和(自身を除く): 12586759279

約数列:

[1, 3, 7, 19, 21, 57, 79, 133, 237, 399, 553, 1501, 1659, 4503, 10507, 31521, 639601, 1918803, 4477207, 12152419, 13431621, 36457257, 50528479, 85066933, 151585437, 255200799, 353699353, 960041101, 1061098059, 2880123303, 6720287707, 20160863121]

約数ペア:

[(1, 20160863121), (3, 6720287707), (7, 2880123303), (19, 1061098059), (21, 960041101), (57, 353699353), (79, 255200799), (133, 151585437), (237, 85066933), (399, 50528479), (553, 36457257), (1501, 13431621), (1659, 12152419), (4503, 4477207), (10507, 1918803), (31521, 639601)]