20178018243

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{449}}^1\times {\mathrm{72367}}^1$

素因数の和:72848

約数の個数: 32

約数和(自身を含む): 31262976000

約数和(自身を除く): 11084957757

約数列:

[1, 3, 9, 23, 27, 69, 207, 449, 621, 1347, 4041, 10327, 12123, 30981, 72367, 92943, 217101, 278829, 651303, 1664441, 1953909, 4993323, 14979969, 32492783, 44939907, 97478349, 292435047, 747334009, 877305141, 2242002027, 6726006081, 20178018243]

約数ペア:

[(1, 20178018243), (3, 6726006081), (9, 2242002027), (23, 877305141), (27, 747334009), (69, 292435047), (207, 97478349), (449, 44939907), (621, 32492783), (1347, 14979969), (4041, 4993323), (10327, 1953909), (12123, 1664441), (30981, 651303), (72367, 278829), (92943, 217101)]