20144297872

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{853}}^1\times {\mathrm{17783}}^1$

素因数の和:18727

約数の個数: 40

約数和(自身を含む): 39548343744

約数和(自身を除く): 19404045872

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 853, 1328, 1706, 3412, 6824, 13648, 17783, 35566, 70799, 71132, 141598, 142264, 283196, 284528, 566392, 1132784, 1475989, 2951978, 5903956, 11807912, 15168899, 23615824, 30337798, 60675596, 121351192, 242702384, 1259018617, 2518037234, 5036074468, 10072148936, 20144297872]

約数ペア:

[(1, 20144297872), (2, 10072148936), (4, 5036074468), (8, 2518037234), (16, 1259018617), (83, 242702384), (166, 121351192), (332, 60675596), (664, 30337798), (853, 23615824), (1328, 15168899), (1706, 11807912), (3412, 5903956), (6824, 2951978), (13648, 1475989), (17783, 1132784), (35566, 566392), (70799, 284528), (71132, 283196), (141598, 142264)]