20415076

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{20173}}^1$

素因数の和:20211

約数の個数: 24

約数和(自身を含む): 40670784

約数和(自身を除く): 20255708

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 20173, 40346, 80692, 221903, 443806, 463979, 887612, 927958, 1855916, 5103769, 10207538, 20415076]

約数ペア:

[(1, 20415076), (2, 10207538), (4, 5103769), (11, 1855916), (22, 927958), (23, 887612), (44, 463979), (46, 443806), (92, 221903), (253, 80692), (506, 40346), (1012, 20173)]