20940194

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{17959}}^1$

素因数の和:18025

約数の個数: 16

約数和(自身を含む): 34914240

約数和(自身を除く): 13974046

約数列:

[1, 2, 11, 22, 53, 106, 583, 1166, 17959, 35918, 197549, 395098, 951827, 1903654, 10470097, 20940194]

約数ペア:

[(1, 20940194), (2, 10470097), (11, 1903654), (22, 951827), (53, 395098), (106, 197549), (583, 35918), (1166, 17959)]