20703216

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:286

約数の個数: 80

約数和(自身を含む): 56246400

約数和(自身を除く): 35543184

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 48, 58, 87, 107, 116, 139, 174, 214, 232, 278, 321, 348, 417, 428, 464, 556, 642, 696, 834, 856, 1112, 1284, 1392, 1668, 1712, 2224, 2568, 3103, 3336, 4031, 5136, 6206, 6672, 8062, 9309, 12093, 12412, 14873, 16124, 18618, 24186, 24824, 29746, 32248, 37236, 44619, 48372, 49648, 59492, 64496, 74472, 89238, 96744, 118984, 148944, 178476, 193488, 237968, 356952, 431317, 713904, 862634, 1293951, 1725268, 2587902, 3450536, 5175804, 6901072, 10351608, 20703216]

約数ペア:

[(1, 20703216), (2, 10351608), (3, 6901072), (4, 5175804), (6, 3450536), (8, 2587902), (12, 1725268), (16, 1293951), (24, 862634), (29, 713904), (48, 431317), (58, 356952), (87, 237968), (107, 193488), (116, 178476), (139, 148944), (174, 118984), (214, 96744), (232, 89238), (278, 74472), (321, 64496), (348, 59492), (417, 49648), (428, 48372), (464, 44619), (556, 37236), (642, 32248), (696, 29746), (834, 24824), (856, 24186), (1112, 18618), (1284, 16124), (1392, 14873), (1668, 12412), (1712, 12093), (2224, 9309), (2568, 8062), (3103, 6672), (3336, 6206), (4031, 5136)]