20512488

素因数分解:

$2^3\times 3^1\times {\mathrm{647}}^1\times {\mathrm{1321}}^1$

素因数の和:1977

約数の個数: 32

約数和(自身を含む): 51399360

約数和(自身を除く): 30886872

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 647, 1294, 1321, 1941, 2588, 2642, 3882, 3963, 5176, 5284, 7764, 7926, 10568, 15528, 15852, 31704, 854687, 1709374, 2564061, 3418748, 5128122, 6837496, 10256244, 20512488]

約数ペア:

[(1, 20512488), (2, 10256244), (3, 6837496), (4, 5128122), (6, 3418748), (8, 2564061), (12, 1709374), (24, 854687), (647, 31704), (1294, 15852), (1321, 15528), (1941, 10568), (2588, 7926), (2642, 7764), (3882, 5284), (3963, 5176)]