20121115391

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1\times {\mathrm{4919}}^1$

素因数の和:5255

約数の個数: 32

約数和(自身を含む): 23328829440

約数和(自身を除く): 3207714049

約数列:

[1, 13, 17, 83, 221, 223, 1079, 1411, 2899, 3791, 4919, 18343, 18509, 49283, 63947, 83623, 240617, 314653, 408277, 1087099, 1096937, 4090489, 5307601, 6940709, 14260181, 18647929, 90229217, 91045771, 242423077, 1183595023, 1547778107, 20121115391]

約数ペア:

[(1, 20121115391), (13, 1547778107), (17, 1183595023), (83, 242423077), (221, 91045771), (223, 90229217), (1079, 18647929), (1411, 14260181), (2899, 6940709), (3791, 5307601), (4919, 4090489), (18343, 1096937), (18509, 1087099), (49283, 408277), (63947, 314653), (83623, 240617)]