20112003

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1019}}^1$

素因数の和:1088

約数の個数: 32

約数和(自身を含む): 32313600

約数和(自身を除く): 12201597

約数列:

[1, 3, 9, 17, 27, 43, 51, 129, 153, 387, 459, 731, 1019, 1161, 2193, 3057, 6579, 9171, 17323, 19737, 27513, 43817, 51969, 131451, 155907, 394353, 467721, 744889, 1183059, 2234667, 6704001, 20112003]

約数ペア:

[(1, 20112003), (3, 6704001), (9, 2234667), (17, 1183059), (27, 744889), (43, 467721), (51, 394353), (129, 155907), (153, 131451), (387, 51969), (459, 43817), (731, 27513), (1019, 19737), (1161, 17323), (2193, 9171), (3057, 6579)]