20161280768

素因数分解:

$2^8\times {\mathrm{11317}}^1\times {\mathrm{6959}}^1$

素因数の和:18292

約数の個数: 36

約数和(自身を含む): 40253146080

約数和(自身を除く): 20091865312

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 6959, 11317, 13918, 22634, 27836, 45268, 55672, 90536, 111344, 181072, 222688, 362144, 445376, 724288, 890752, 1448576, 1781504, 2897152, 78755003, 157510006, 315020012, 630040024, 1260080048, 2520160096, 5040320192, 10080640384, 20161280768]

約数ペア:

[(1, 20161280768), (2, 10080640384), (4, 5040320192), (8, 2520160096), (16, 1260080048), (32, 630040024), (64, 315020012), (128, 157510006), (256, 78755003), (6959, 2897152), (11317, 1781504), (13918, 1448576), (22634, 890752), (27836, 724288), (45268, 445376), (55672, 362144), (90536, 222688), (111344, 181072)]