20948139

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{2417}}^1$

素因数の和:2536

約数の個数: 20

約数和(自身を含む): 31598424

約数和(自身を除く): 10650285

約数列:

[1, 3, 9, 27, 81, 107, 321, 963, 2417, 2889, 7251, 8667, 21753, 65259, 195777, 258619, 775857, 2327571, 6982713, 20948139]

約数ペア:

[(1, 20948139), (3, 6982713), (9, 2327571), (27, 775857), (81, 258619), (107, 195777), (321, 65259), (963, 21753), (2417, 8667), (2889, 7251)]