20388199

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{233}}^1$

素因数の和:426

約数の個数: 16

約数和(自身を含む): 22643712

約数和(自身を除く): 2255513

約数列:

[1, 13, 53, 127, 233, 689, 1651, 3029, 6731, 12349, 29591, 87503, 160537, 384683, 1568323, 20388199]

約数ペア:

[(1, 20388199), (13, 1568323), (53, 384683), (127, 160537), (233, 87503), (689, 29591), (1651, 12349), (3029, 6731)]