20147490979

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{6381847}}^1$

素因数の和:6381906

約数の個数: 16

約数和(自身を含む): 25731611136

約数和(自身を除く): 5584120157

約数列:

[1, 7, 11, 41, 77, 287, 451, 3157, 6381847, 44672929, 70200317, 261655727, 491402219, 1831590089, 2878212997, 20147490979]

約数ペア:

[(1, 20147490979), (7, 2878212997), (11, 1831590089), (41, 491402219), (77, 261655727), (287, 70200317), (451, 44672929), (3157, 6381847)]