20831778

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{105211}}^1$

素因数の和:105230

約数の個数: 24

約数和(自身を含む): 49239216

約数和(自身を除く): 28407438

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 105211, 210422, 315633, 631266, 946899, 1157321, 1893798, 2314642, 3471963, 6943926, 10415889, 20831778]

約数ペア:

[(1, 20831778), (2, 10415889), (3, 6943926), (6, 3471963), (9, 2314642), (11, 1893798), (18, 1157321), (22, 946899), (33, 631266), (66, 315633), (99, 210422), (198, 105211)]