20729716

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{32189}}^1$

素因数の和:32223

約数の個数: 24

約数和(自身を含む): 43263360

約数和(自身を除く): 22533644

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 32189, 64378, 128756, 225323, 450646, 740347, 901292, 1480694, 2961388, 5182429, 10364858, 20729716]

約数ペア:

[(1, 20729716), (2, 10364858), (4, 5182429), (7, 2961388), (14, 1480694), (23, 901292), (28, 740347), (46, 450646), (92, 225323), (161, 128756), (322, 64378), (644, 32189)]