20500986

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{2903}}^1$

素因数の和:3026

約数の個数: 32

約数和(自身を含む): 45163008

約数和(自身を除く): 24662022

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 107, 214, 321, 642, 1177, 2354, 2903, 3531, 5806, 7062, 8709, 17418, 31933, 63866, 95799, 191598, 310621, 621242, 931863, 1863726, 3416831, 6833662, 10250493, 20500986]

約数ペア:

[(1, 20500986), (2, 10250493), (3, 6833662), (6, 3416831), (11, 1863726), (22, 931863), (33, 621242), (66, 310621), (107, 191598), (214, 95799), (321, 63866), (642, 31933), (1177, 17418), (2354, 8709), (2903, 7062), (3531, 5806)]