20157628671

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{1231301}}^1$

素因数の和:1231431

約数の個数: 24

約数和(自身を含む): 31117464144

約数和(自身を除く): 10959835473

約数列:

[1, 3, 9, 17, 51, 107, 153, 321, 963, 1819, 5457, 16371, 1231301, 3693903, 11081709, 20932117, 62796351, 131749207, 188389053, 395247621, 1185742863, 2239736519, 6719209557, 20157628671]

約数ペア:

[(1, 20157628671), (3, 6719209557), (9, 2239736519), (17, 1185742863), (51, 395247621), (107, 188389053), (153, 131749207), (321, 62796351), (963, 20932117), (1819, 11081709), (5457, 3693903), (16371, 1231301)]