20851259

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3391}}^1$

素因数の和:3458

約数の個数: 16

約数和(自身を含む): 25073664

約数和(自身を除く): 4222405

約数列:

[1, 11, 13, 43, 143, 473, 559, 3391, 6149, 37301, 44083, 145813, 484913, 1603943, 1895569, 20851259]

約数ペア:

[(1, 20851259), (11, 1895569), (13, 1603943), (43, 484913), (143, 145813), (473, 44083), (559, 37301), (3391, 6149)]