20901267

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:368

約数の個数: 32

約数和(自身を含む): 32256000

約数和(自身を除く): 11354733

約数列:

[1, 3, 9, 27, 41, 79, 123, 237, 239, 369, 711, 717, 1107, 2133, 2151, 3239, 6453, 9717, 9799, 18881, 29151, 29397, 56643, 87453, 88191, 169929, 264573, 509787, 774121, 2322363, 6967089, 20901267]

約数ペア:

[(1, 20901267), (3, 6967089), (9, 2322363), (27, 774121), (41, 509787), (79, 264573), (123, 169929), (237, 88191), (239, 87453), (369, 56643), (711, 29397), (717, 29151), (1107, 18881), (2133, 9799), (2151, 9717), (3239, 6453)]