20875824

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^1\times {\mathrm{4999}}^1$

素因数の和:5042

約数の個数: 60

約数和(自身を含む): 60450000

約数和(自身を除く): 39574176

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 36, 48, 58, 72, 87, 116, 144, 174, 232, 261, 348, 464, 522, 696, 1044, 1392, 2088, 4176, 4999, 9998, 14997, 19996, 29994, 39992, 44991, 59988, 79984, 89982, 119976, 144971, 179964, 239952, 289942, 359928, 434913, 579884, 719856, 869826, 1159768, 1304739, 1739652, 2319536, 2609478, 3479304, 5218956, 6958608, 10437912, 20875824]

約数ペア:

[(1, 20875824), (2, 10437912), (3, 6958608), (4, 5218956), (6, 3479304), (8, 2609478), (9, 2319536), (12, 1739652), (16, 1304739), (18, 1159768), (24, 869826), (29, 719856), (36, 579884), (48, 434913), (58, 359928), (72, 289942), (87, 239952), (116, 179964), (144, 144971), (174, 119976), (232, 89982), (261, 79984), (348, 59988), (464, 44991), (522, 39992), (696, 29994), (1044, 19996), (1392, 14997), (2088, 9998), (4176, 4999)]