20342855897

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1747}}^1\times {\mathrm{3121}}^1$

素因数の和:4929

約数の個数: 32

約数和(自身を含む): 25670932224

約数和(自身を除く): 5328076327

約数列:

[1, 7, 13, 41, 91, 287, 533, 1747, 3121, 3731, 12229, 21847, 22711, 40573, 71627, 127961, 158977, 284011, 501389, 895727, 931151, 1663493, 5452387, 6518057, 11644451, 38166709, 70881031, 223547867, 496167217, 1564835069, 2906122271, 20342855897]

約数ペア:

[(1, 20342855897), (7, 2906122271), (13, 1564835069), (41, 496167217), (91, 223547867), (287, 70881031), (533, 38166709), (1747, 11644451), (3121, 6518057), (3731, 5452387), (12229, 1663493), (21847, 931151), (22711, 895727), (40573, 501389), (71627, 284011), (127961, 158977)]