20811076

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{36383}}^1$

素因数の和:36411

約数の個数: 24

約数和(自身を含む): 42787584

約数和(自身を除く): 21976508

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 36383, 72766, 145532, 400213, 472979, 800426, 945958, 1600852, 1891916, 5202769, 10405538, 20811076]

約数ペア:

[(1, 20811076), (2, 10405538), (4, 5202769), (11, 1891916), (13, 1600852), (22, 945958), (26, 800426), (44, 472979), (52, 400213), (143, 145532), (286, 72766), (572, 36383)]