20806561644

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2220077}}^1$

素因数の和:2220166

約数の個数: 48

約数和(自身を含む): 53708126976

約数和(自身を除く): 32901565332

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 71, 132, 142, 213, 284, 426, 781, 852, 1562, 2343, 3124, 4686, 9372, 2220077, 4440154, 6660231, 8880308, 13320462, 24420847, 26640924, 48841694, 73262541, 97683388, 146525082, 157625467, 293050164, 315250934, 472876401, 630501868, 945752802, 1733880137, 1891505604, 3467760274, 5201640411, 6935520548, 10403280822, 20806561644]

約数ペア:

[(1, 20806561644), (2, 10403280822), (3, 6935520548), (4, 5201640411), (6, 3467760274), (11, 1891505604), (12, 1733880137), (22, 945752802), (33, 630501868), (44, 472876401), (66, 315250934), (71, 293050164), (132, 157625467), (142, 146525082), (213, 97683388), (284, 73262541), (426, 48841694), (781, 26640924), (852, 24420847), (1562, 13320462), (2343, 8880308), (3124, 6660231), (4686, 4440154), (9372, 2220077)]