20116613

素因数分解:

${\mathrm{11}}^2\times {\mathrm{31}}^2\times {\mathrm{173}}^1$

素因数の和:257

約数の個数: 18

約数和(自身を含む): 22980006

約数和(自身を除く): 2863393

約数列:

[1, 11, 31, 121, 173, 341, 961, 1903, 3751, 5363, 10571, 20933, 58993, 116281, 166253, 648923, 1828783, 20116613]

約数ペア:

[(1, 20116613), (11, 1828783), (31, 648923), (121, 166253), (173, 116281), (341, 58993), (961, 20933), (1903, 10571), (3751, 5363)]