20178306891

素因数分解:

$3^2\times {\mathrm{1949}}^1\times {\mathrm{1150351}}^1$

素因数の和:1152306

約数の個数: 12

約数和(自身を含む): 29161423200

約数和(自身を除く): 8983116309

約数列:

[1, 3, 9, 1949, 5847, 17541, 1150351, 3451053, 10353159, 2242034099, 6726102297, 20178306891]

約数ペア:

[(1, 20178306891), (3, 6726102297), (9, 2242034099), (1949, 10353159), (5847, 3451053), (17541, 1150351)]