20138761971

素因数分解:

$3^4\times {\mathrm{16963}}^1\times {\mathrm{14657}}^1$

素因数の和:31632

約数の個数: 20

約数和(自身を含む): 30087655752

約数和(自身を除く): 9948893781

約数列:

[1, 3, 9, 27, 81, 14657, 16963, 43971, 50889, 131913, 152667, 395739, 458001, 1187217, 1374003, 248626691, 745880073, 2237640219, 6712920657, 20138761971]

約数ペア:

[(1, 20138761971), (3, 6712920657), (9, 2237640219), (27, 745880073), (81, 248626691), (14657, 1374003), (16963, 1187217), (43971, 458001), (50889, 395739), (131913, 152667)]