20172878

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{2689}}^1$

素因数の和:2744

約数の個数: 24

約数和(自身を含む): 34345920

約数和(自身を除く): 14173042

約数列:

[1, 2, 11, 22, 31, 62, 121, 242, 341, 682, 2689, 3751, 5378, 7502, 29579, 59158, 83359, 166718, 325369, 650738, 916949, 1833898, 10086439, 20172878]

約数ペア:

[(1, 20172878), (2, 10086439), (11, 1833898), (22, 916949), (31, 650738), (62, 325369), (121, 166718), (242, 83359), (341, 59158), (682, 29579), (2689, 7502), (3751, 5378)]