20886316

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{479}}^1\times {\mathrm{991}}^1$

素因数の和:1485

約数の個数: 24

約数和(自身を含む): 39997440

約数和(自身を除く): 19111124

約数列:

[1, 2, 4, 11, 22, 44, 479, 958, 991, 1916, 1982, 3964, 5269, 10538, 10901, 21076, 21802, 43604, 474689, 949378, 1898756, 5221579, 10443158, 20886316]

約数ペア:

[(1, 20886316), (2, 10443158), (4, 5221579), (11, 1898756), (22, 949378), (44, 474689), (479, 43604), (958, 21802), (991, 21076), (1916, 10901), (1982, 10538), (3964, 5269)]