20256741

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3079}}^1$

素因数の和:3145

約数の個数: 24

約数和(自身を含む): 31711680

約数和(自身を除く): 11454939

約数列:

[1, 3, 9, 17, 43, 51, 129, 153, 387, 731, 2193, 3079, 6579, 9237, 27711, 52343, 132397, 157029, 397191, 471087, 1191573, 2250749, 6752247, 20256741]

約数ペア:

[(1, 20256741), (3, 6752247), (9, 2250749), (17, 1191573), (43, 471087), (51, 397191), (129, 157029), (153, 132397), (387, 52343), (731, 27711), (2193, 9237), (3079, 6579)]