20794081

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{223}}^1$

素因数の和:421

約数の個数: 24

約数和(自身を含む): 26659584

約数和(自身を除く): 5865503

約数列:

[1, 7, 11, 49, 77, 173, 223, 539, 1211, 1561, 1903, 2453, 8477, 10927, 13321, 17171, 38579, 93247, 120197, 270053, 424369, 1890371, 2970583, 20794081]

約数ペア:

[(1, 20794081), (7, 2970583), (11, 1890371), (49, 424369), (77, 270053), (173, 120197), (223, 93247), (539, 38579), (1211, 17171), (1561, 13321), (1903, 10927), (2453, 8477)]