20293989

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{883}}^1$

素因数の和:1096

約数の個数: 16

約数和(自身を含む): 27835392

約数和(自身を除く): 7541403

約数列:

[1, 3, 47, 141, 163, 489, 883, 2649, 7661, 22983, 41501, 124503, 143929, 431787, 6764663, 20293989]

約数ペア:

[(1, 20293989), (3, 6764663), (47, 431787), (141, 143929), (163, 124503), (489, 41501), (883, 22983), (2649, 7661)]