20381768

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{231611}}^1$

素因数の和:231628

約数の個数: 16

約数和(自身を含む): 41690160

約数和(自身を除く): 21308392

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 231611, 463222, 926444, 1852888, 2547721, 5095442, 10190884, 20381768]

約数ペア:

[(1, 20381768), (2, 10190884), (4, 5095442), (8, 2547721), (11, 1852888), (22, 926444), (44, 463222), (88, 231611)]