20188657688

素因数分解:

$2^3\times {\mathrm{1213}}^1\times {\mathrm{2080447}}^1$

素因数の和:2081666

約数の個数: 16

約数和(自身を含む): 37884958080

約数和(自身を除く): 17696300392

約数列:

[1, 2, 4, 8, 1213, 2426, 4852, 9704, 2080447, 4160894, 8321788, 16643576, 2523582211, 5047164422, 10094328844, 20188657688]

約数ペア:

[(1, 20188657688), (2, 10094328844), (4, 5047164422), (8, 2523582211), (1213, 16643576), (2426, 8321788), (4852, 4160894), (9704, 2080447)]