20004032157

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1\times {\mathrm{489539}}^1$

素因数の和:489852

約数の個数: 16

約数和(自身を含む): 27281085120

約数和(自身を除く): 7277052963

約数列:

[1, 3, 53, 159, 257, 771, 13621, 40863, 489539, 1468617, 25945567, 77836701, 125811523, 377434569, 6668010719, 20004032157]

約数ペア:

[(1, 20004032157), (3, 6668010719), (53, 377434569), (159, 125811523), (257, 77836701), (771, 25945567), (13621, 1468617), (40863, 489539)]