20208128941

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{469487}}^1$

素因数の和:469561

約数の個数: 32

約数和(自身を含む): 27763642368

約数和(自身を除く): 7555513427

約数列:

[1, 7, 11, 13, 43, 77, 91, 143, 301, 473, 559, 1001, 3311, 3913, 6149, 43043, 469487, 3286409, 5164357, 6103331, 20187941, 36150499, 42723317, 67136641, 141315587, 222067351, 262443233, 469956487, 1554471457, 1837102631, 2886875563, 20208128941]

約数ペア:

[(1, 20208128941), (7, 2886875563), (11, 1837102631), (13, 1554471457), (43, 469956487), (77, 262443233), (91, 222067351), (143, 141315587), (301, 67136641), (473, 42723317), (559, 36150499), (1001, 20187941), (3311, 6103331), (3913, 5164357), (6149, 3286409), (43043, 469487)]