20785212

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{11783}}^1$

素因数の和:11807

約数の個数: 54

約数和(自身を含む): 61123608

約数和(自身を除く): 40338396

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 11783, 23566, 35349, 47132, 70698, 82481, 106047, 141396, 164962, 212094, 247443, 329924, 424188, 494886, 577367, 742329, 989772, 1154734, 1484658, 1732101, 2309468, 2969316, 3464202, 5196303, 6928404, 10392606, 20785212]

約数ペア:

[(1, 20785212), (2, 10392606), (3, 6928404), (4, 5196303), (6, 3464202), (7, 2969316), (9, 2309468), (12, 1732101), (14, 1484658), (18, 1154734), (21, 989772), (28, 742329), (36, 577367), (42, 494886), (49, 424188), (63, 329924), (84, 247443), (98, 212094), (126, 164962), (147, 141396), (196, 106047), (252, 82481), (294, 70698), (441, 47132), (588, 35349), (882, 23566), (1764, 11783)]