20403952

素因数分解:

$2^4\times {\mathrm{31}}^2\times {\mathrm{1327}}^1$

素因数の和:1397

約数の個数: 30

約数和(自身を含む): 40879824

約数和(自身を除く): 20475872

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 961, 1327, 1922, 2654, 3844, 5308, 7688, 10616, 15376, 21232, 41137, 82274, 164548, 329096, 658192, 1275247, 2550494, 5100988, 10201976, 20403952]

約数ペア:

[(1, 20403952), (2, 10201976), (4, 5100988), (8, 2550494), (16, 1275247), (31, 658192), (62, 329096), (124, 164548), (248, 82274), (496, 41137), (961, 21232), (1327, 15376), (1922, 10616), (2654, 7688), (3844, 5308)]