20997006

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^2\times {\mathrm{12109}}^1$

素因数の和:12148

約数の個数: 24

約数和(自身を含む): 44613240

約数和(自身を除く): 23616234

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 289, 578, 867, 1734, 12109, 24218, 36327, 72654, 205853, 411706, 617559, 1235118, 3499501, 6999002, 10498503, 20997006]

約数ペア:

[(1, 20997006), (2, 10498503), (3, 6999002), (6, 3499501), (17, 1235118), (34, 617559), (51, 411706), (102, 205853), (289, 72654), (578, 36327), (867, 24218), (1734, 12109)]