20394166

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{9929}}^1$

素因数の和:10023

約数の個数: 16

約数和(自身を含む): 33364800

約数和(自身を除く): 12970634

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 9929, 19858, 129077, 258154, 784391, 1568782, 10197083, 20394166]

約数ペア:

[(1, 20394166), (2, 10197083), (13, 1568782), (26, 784391), (79, 258154), (158, 129077), (1027, 19858), (2054, 9929)]