20407288

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{231901}}^1$

素因数の和:231918

約数の個数: 16

約数和(自身を含む): 41742360

約数和(自身を除く): 21335072

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 231901, 463802, 927604, 1855208, 2550911, 5101822, 10203644, 20407288]

約数ペア:

[(1, 20407288), (2, 10203644), (4, 5101822), (8, 2550911), (11, 1855208), (22, 927604), (44, 463802), (88, 231901)]