20199326192

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{1283}}^1\times {\mathrm{13859}}^1$

素因数の和:15221

約数の個数: 40

約数和(自身を含む): 39721207680

約数和(自身を除く): 19521881488

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 1283, 2566, 5132, 10264, 13859, 20528, 27718, 55436, 91093, 110872, 182186, 221744, 364372, 728744, 983989, 1457488, 1967978, 3935956, 7871912, 15743824, 17781097, 35562194, 71124388, 142248776, 284497552, 1262457887, 2524915774, 5049831548, 10099663096, 20199326192]

約数ペア:

[(1, 20199326192), (2, 10099663096), (4, 5049831548), (8, 2524915774), (16, 1262457887), (71, 284497552), (142, 142248776), (284, 71124388), (568, 35562194), (1136, 17781097), (1283, 15743824), (2566, 7871912), (5132, 3935956), (10264, 1967978), (13859, 1457488), (20528, 983989), (27718, 728744), (55436, 364372), (91093, 221744), (110872, 182186)]