20186515881

素因数分解:

$3^2\times 7^1\times {\mathrm{2129}}^1\times {\mathrm{150503}}^1$

素因数の和:152645

約数の個数: 24

約数和(自身を含む): 33339646080

約数和(自身を除く): 13153130199

約数列:

[1, 3, 7, 9, 21, 63, 2129, 6387, 14903, 19161, 44709, 134127, 150503, 451509, 1053521, 1354527, 3160563, 9481689, 320420887, 961262661, 2242946209, 2883787983, 6728838627, 20186515881]

約数ペア:

[(1, 20186515881), (3, 6728838627), (7, 2883787983), (9, 2242946209), (21, 961262661), (63, 320420887), (2129, 9481689), (6387, 3160563), (14903, 1354527), (19161, 1053521), (44709, 451509), (134127, 150503)]