20638526

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{2129}}^1$

素因数の和:2299

約数の個数: 16

約数和(自身を含む): 32052240

約数和(自身を除く): 11413714

約数列:

[1, 2, 37, 74, 131, 262, 2129, 4258, 4847, 9694, 78773, 157546, 278899, 557798, 10319263, 20638526]

約数ペア:

[(1, 20638526), (2, 10319263), (37, 557798), (74, 278899), (131, 157546), (262, 78773), (2129, 9694), (4258, 4847)]