20992084

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:236

約数の個数: 36

約数和(自身を含む): 39148032

約数和(自身を除く): 18155948

約数列:

[1, 2, 4, 31, 43, 62, 86, 124, 127, 172, 254, 508, 961, 1333, 1922, 2666, 3844, 3937, 5332, 5461, 7874, 10922, 15748, 21844, 41323, 82646, 122047, 165292, 169291, 244094, 338582, 488188, 677164, 5248021, 10496042, 20992084]

約数ペア:

[(1, 20992084), (2, 10496042), (4, 5248021), (31, 677164), (43, 488188), (62, 338582), (86, 244094), (124, 169291), (127, 165292), (172, 122047), (254, 82646), (508, 41323), (961, 21844), (1333, 15748), (1922, 10922), (2666, 7874), (3844, 5461), (3937, 5332)]