20789192

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{587}}^1$

素因数の和:845

約数の個数: 32

約数和(自身を含む): 41277600

約数和(自身を除く): 20488408

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 233, 466, 587, 932, 1174, 1864, 2348, 4427, 4696, 8854, 11153, 17708, 22306, 35416, 44612, 89224, 136771, 273542, 547084, 1094168, 2598649, 5197298, 10394596, 20789192]

約数ペア:

[(1, 20789192), (2, 10394596), (4, 5197298), (8, 2598649), (19, 1094168), (38, 547084), (76, 273542), (152, 136771), (233, 89224), (466, 44612), (587, 35416), (932, 22306), (1174, 17708), (1864, 11153), (2348, 8854), (4427, 4696)]