20952567

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{18047}}^1$

素因数の和:18099

約数の個数: 16

約数和(自身を含む): 31764480

約数和(自身を除く): 10811913

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 18047, 54141, 162423, 487269, 776021, 2328063, 6984189, 20952567]

約数ペア:

[(1, 20952567), (3, 6984189), (9, 2328063), (27, 776021), (43, 487269), (129, 162423), (387, 54141), (1161, 18047)]