20655271

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^3$

素因数の和:203

約数の個数: 16

約数和(自身を含む): 25845568

約数和(自身を除く): 5190297

約数列:

[1, 7, 13, 61, 91, 427, 793, 3721, 5551, 26047, 48373, 226981, 338611, 1588867, 2950753, 20655271]

約数ペア:

[(1, 20655271), (7, 2950753), (13, 1588867), (61, 338611), (91, 226981), (427, 48373), (793, 26047), (3721, 5551)]