20089863

素因数分解:

$3^4\times {\mathrm{197}}^1\times {\mathrm{1259}}^1$

素因数の和:1468

約数の個数: 20

約数和(自身を含む): 30187080

約数和(自身を除く): 10097217

約数列:

[1, 3, 9, 27, 81, 197, 591, 1259, 1773, 3777, 5319, 11331, 15957, 33993, 101979, 248023, 744069, 2232207, 6696621, 20089863]

約数ペア:

[(1, 20089863), (3, 6696621), (9, 2232207), (27, 744069), (81, 248023), (197, 101979), (591, 33993), (1259, 15957), (1773, 11331), (3777, 5319)]