20071008477

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3989467}}^1$

素因数の和:3989529

約数の個数: 24

約数和(自身を含む): 31947659744

約数和(自身を除く): 11876651267

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 5031, 3989467, 11968401, 35905203, 51863071, 155589213, 171547081, 466767639, 514641243, 1543923729, 2230112053, 6690336159, 20071008477]

約数ペア:

[(1, 20071008477), (3, 6690336159), (9, 2230112053), (13, 1543923729), (39, 514641243), (43, 466767639), (117, 171547081), (129, 155589213), (387, 51863071), (559, 35905203), (1677, 11968401), (5031, 3989467)]