20565279

素因数分解:

$3^3\times 7^1\times {\mathrm{233}}^1\times {\mathrm{467}}^1$

素因数の和:716

約数の個数: 32

約数和(自身を含む): 35043840

約数和(自身を除く): 14478561

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 233, 467, 699, 1401, 1631, 2097, 3269, 4203, 4893, 6291, 9807, 12609, 14679, 29421, 44037, 88263, 108811, 326433, 761677, 979299, 2285031, 2937897, 6855093, 20565279]

約数ペア:

[(1, 20565279), (3, 6855093), (7, 2937897), (9, 2285031), (21, 979299), (27, 761677), (63, 326433), (189, 108811), (233, 88263), (467, 44037), (699, 29421), (1401, 14679), (1631, 12609), (2097, 9807), (3269, 6291), (4203, 4893)]