20163819

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1789}}^1$

素因数の和:1839

約数の個数: 24

約数和(自身を含む): 30773680

約数和(自身を除く): 10609861

約数列:

[1, 3, 13, 17, 39, 51, 221, 289, 663, 867, 1789, 3757, 5367, 11271, 23257, 30413, 69771, 91239, 395369, 517021, 1186107, 1551063, 6721273, 20163819]

約数ペア:

[(1, 20163819), (3, 6721273), (13, 1551063), (17, 1186107), (39, 517021), (51, 395369), (221, 91239), (289, 69771), (663, 30413), (867, 23257), (1789, 11271), (3757, 5367)]