20086947

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{4679}}^1$

素因数の和:4744

約数の個数: 20

約数和(自身を含む): 30579120

約数和(自身を除く): 10492173

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 4679, 14037, 42111, 126333, 247987, 378999, 743961, 2231883, 6695649, 20086947]

約数ペア:

[(1, 20086947), (3, 6695649), (9, 2231883), (27, 743961), (53, 378999), (81, 247987), (159, 126333), (477, 42111), (1431, 14037), (4293, 4679)]