20916269

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1759}}^1$

素因数の和:1840

約数の個数: 16

約数和(自身を含む): 24330240

約数和(自身を除く): 3413971

約数列:

[1, 11, 23, 47, 253, 517, 1081, 1759, 11891, 19349, 40457, 82673, 445027, 909403, 1901479, 20916269]

約数ペア:

[(1, 20916269), (11, 1901479), (23, 909403), (47, 445027), (253, 82673), (517, 40457), (1081, 19349), (1759, 11891)]