20500082

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{53}}^2\times {\mathrm{89}}^1$

素因数の和:238

約数の個数: 24

約数和(自身を含む): 32466420

約数和(自身を除く): 11966338

約数列:

[1, 2, 41, 53, 82, 89, 106, 178, 2173, 2809, 3649, 4346, 4717, 5618, 7298, 9434, 115169, 193397, 230338, 250001, 386794, 500002, 10250041, 20500082]

約数ペア:

[(1, 20500082), (2, 10250041), (41, 500002), (53, 386794), (82, 250001), (89, 230338), (106, 193397), (178, 115169), (2173, 9434), (2809, 7298), (3649, 5618), (4346, 4717)]