20585598

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:301

約数の個数: 64

約数和(自身を含む): 47775744

約数和(自身を除く): 27190146

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 71, 138, 142, 191, 213, 253, 382, 426, 506, 573, 759, 781, 1146, 1518, 1562, 1633, 2101, 2343, 3266, 4202, 4393, 4686, 4899, 6303, 8786, 9798, 12606, 13179, 13561, 17963, 26358, 27122, 35926, 40683, 48323, 53889, 81366, 96646, 107778, 144969, 149171, 289938, 298342, 311903, 447513, 623806, 895026, 935709, 1871418, 3430933, 6861866, 10292799, 20585598]

約数ペア:

[(1, 20585598), (2, 10292799), (3, 6861866), (6, 3430933), (11, 1871418), (22, 935709), (23, 895026), (33, 623806), (46, 447513), (66, 311903), (69, 298342), (71, 289938), (138, 149171), (142, 144969), (191, 107778), (213, 96646), (253, 81366), (382, 53889), (426, 48323), (506, 40683), (573, 35926), (759, 27122), (781, 26358), (1146, 17963), (1518, 13561), (1562, 13179), (1633, 12606), (2101, 9798), (2343, 8786), (3266, 6303), (4202, 4899), (4393, 4686)]