20174739718

素因数分解:

$2^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1153}}^1\times {\mathrm{2927}}^1$

素因数の和:4157

約数の個数: 48

約数和(自身を含む): 35823225024

約数和(自身を除く): 15648485306

約数列:

[1, 2, 7, 14, 49, 61, 98, 122, 427, 854, 1153, 2306, 2927, 2989, 5854, 5978, 8071, 16142, 20489, 40978, 56497, 70333, 112994, 140666, 143423, 178547, 286846, 357094, 492331, 984662, 1249829, 2499658, 3374831, 3446317, 6749662, 6892634, 8748803, 17497606, 23623817, 47247634, 165366719, 205864691, 330733438, 411729382, 1441052837, 2882105674, 10087369859, 20174739718]

約数ペア:

[(1, 20174739718), (2, 10087369859), (7, 2882105674), (14, 1441052837), (49, 411729382), (61, 330733438), (98, 205864691), (122, 165366719), (427, 47247634), (854, 23623817), (1153, 17497606), (2306, 8748803), (2927, 6892634), (2989, 6749662), (5854, 3446317), (5978, 3374831), (8071, 2499658), (16142, 1249829), (20489, 984662), (40978, 492331), (56497, 357094), (70333, 286846), (112994, 178547), (140666, 143423)]