20476557

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{5879}}^1$

素因数の和:5934

約数の個数: 20

約数和(自身を含む): 31305120

約数和(自身を除く): 10828563

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 5879, 17637, 52911, 158733, 252797, 476199, 758391, 2275173, 6825519, 20476557]

約数ペア:

[(1, 20476557), (3, 6825519), (9, 2275173), (27, 758391), (43, 476199), (81, 252797), (129, 158733), (387, 52911), (1161, 17637), (3483, 5879)]