20519079

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{16561}}^1$

素因数の和:16630

約数の個数: 16

約数和(自身を含む): 31799040

約数和(自身を除く): 11279961

約数列:

[1, 3, 7, 21, 59, 177, 413, 1239, 16561, 49683, 115927, 347781, 977099, 2931297, 6839693, 20519079]

約数ペア:

[(1, 20519079), (3, 6839693), (7, 2931297), (21, 977099), (59, 347781), (177, 115927), (413, 49683), (1239, 16561)]