20965516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{36653}}^1$

素因数の和:36681

約数の個数: 24

約数和(自身を含む): 43105104

約数和(自身を除く): 22139588

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 36653, 73306, 146612, 403183, 476489, 806366, 952978, 1612732, 1905956, 5241379, 10482758, 20965516]

約数ペア:

[(1, 20965516), (2, 10482758), (4, 5241379), (11, 1905956), (13, 1612732), (22, 952978), (26, 806366), (44, 476489), (52, 403183), (143, 146612), (286, 73306), (572, 36653)]