20516782

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3119}}^1$

素因数の和:3168

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 17222738

約数列:

[1, 2, 11, 13, 22, 23, 26, 46, 143, 253, 286, 299, 506, 598, 3119, 3289, 6238, 6578, 34309, 40547, 68618, 71737, 81094, 143474, 446017, 789107, 892034, 932581, 1578214, 1865162, 10258391, 20516782]

約数ペア:

[(1, 20516782), (2, 10258391), (11, 1865162), (13, 1578214), (22, 932581), (23, 892034), (26, 789107), (46, 446017), (143, 143474), (253, 81094), (286, 71737), (299, 68618), (506, 40547), (598, 34309), (3119, 6578), (3289, 6238)]