20409555717

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2340277}}^1$

素因数の和:2340322

約数の個数: 32

約数和(自身を含む): 33700003200

約数和(自身を除く): 13290447483

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 153, 171, 323, 459, 513, 969, 2907, 8721, 2340277, 7020831, 21062493, 39784709, 44465263, 63187479, 119354127, 133395789, 358062381, 400187367, 755909471, 1074187143, 1200562101, 2267728413, 6803185239, 20409555717]

約数ペア:

[(1, 20409555717), (3, 6803185239), (9, 2267728413), (17, 1200562101), (19, 1074187143), (27, 755909471), (51, 400187367), (57, 358062381), (153, 133395789), (171, 119354127), (323, 63187479), (459, 44465263), (513, 39784709), (969, 21062493), (2907, 7020831), (8721, 2340277)]