20889087

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{503}}^1$

素因数の和:742

約数の個数: 16

約数和(自身を含む): 28385280

約数和(自身を除く): 7496193

約数列:

[1, 3, 109, 127, 327, 381, 503, 1509, 13843, 41529, 54827, 63881, 164481, 191643, 6963029, 20889087]

約数ペア:

[(1, 20889087), (3, 6963029), (109, 191643), (127, 164481), (327, 63881), (381, 54827), (503, 41529), (1509, 13843)]