20180992825

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{399031}}^1$

素因数の和:399082

約数の個数: 36

約数和(自身を含む): 30380700352

約数和(自身を除く): 10199707527

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 289, 425, 595, 1445, 2023, 2975, 7225, 10115, 50575, 399031, 1995155, 2793217, 6783527, 9975775, 13966085, 33917635, 47484689, 69830425, 115319959, 169588175, 237423445, 576599795, 807239713, 1187117225, 2882998975, 4036198565, 20180992825]

約数ペア:

[(1, 20180992825), (5, 4036198565), (7, 2882998975), (17, 1187117225), (25, 807239713), (35, 576599795), (85, 237423445), (119, 169588175), (175, 115319959), (289, 69830425), (425, 47484689), (595, 33917635), (1445, 13966085), (2023, 9975775), (2975, 6783527), (7225, 2793217), (10115, 1995155), (50575, 399031)]