20091078

素因数分解:

$2^1\times 3^4\times 7^2\times {\mathrm{2531}}^1$

素因数の和:2559

約数の個数: 60

約数和(自身を含む): 52389612

約数和(自身を除く): 32298534

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 81, 98, 126, 147, 162, 189, 294, 378, 441, 567, 882, 1134, 1323, 2531, 2646, 3969, 5062, 7593, 7938, 15186, 17717, 22779, 35434, 45558, 53151, 68337, 106302, 124019, 136674, 159453, 205011, 248038, 318906, 372057, 410022, 478359, 744114, 956718, 1116171, 1435077, 2232342, 2870154, 3348513, 6697026, 10045539, 20091078]

約数ペア:

[(1, 20091078), (2, 10045539), (3, 6697026), (6, 3348513), (7, 2870154), (9, 2232342), (14, 1435077), (18, 1116171), (21, 956718), (27, 744114), (42, 478359), (49, 410022), (54, 372057), (63, 318906), (81, 248038), (98, 205011), (126, 159453), (147, 136674), (162, 124019), (189, 106302), (294, 68337), (378, 53151), (441, 45558), (567, 35434), (882, 22779), (1134, 17717), (1323, 15186), (2531, 7938), (2646, 7593), (3969, 5062)]