20549193

素因数分解:

$3^1\times 7^1\times {\mathrm{523}}^1\times {\mathrm{1871}}^1$

素因数の和:2404

約数の個数: 16

約数和(自身を含む): 31389696

約数和(自身を除く): 10840503

約数列:

[1, 3, 7, 21, 523, 1569, 1871, 3661, 5613, 10983, 13097, 39291, 978533, 2935599, 6849731, 20549193]

約数ペア:

[(1, 20549193), (3, 6849731), (7, 2935599), (21, 978533), (523, 39291), (1569, 13097), (1871, 10983), (3661, 5613)]