20277686

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{70901}}^1$

素因数の和:70927

約数の個数: 16

約数和(自身を含む): 35734608

約数和(自身を除く): 15456922

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 70901, 141802, 779911, 921713, 1559822, 1843426, 10138843, 20277686]

約数ペア:

[(1, 20277686), (2, 10138843), (11, 1843426), (13, 1559822), (22, 921713), (26, 779911), (143, 141802), (286, 70901)]