20244447

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{661}}^1$

素因数の和:791

約数の個数: 24

約数和(自身を含む): 30361968

約数和(自身を除く): 10117521

約数列:

[1, 3, 9, 41, 83, 123, 249, 369, 661, 747, 1983, 3403, 5949, 10209, 27101, 30627, 54863, 81303, 164589, 243909, 493767, 2249383, 6748149, 20244447]

約数ペア:

[(1, 20244447), (3, 6748149), (9, 2249383), (41, 493767), (83, 243909), (123, 164589), (249, 81303), (369, 54863), (661, 30627), (747, 27101), (1983, 10209), (3403, 5949)]