20856064

素因数分解:

$2^8\times {\mathrm{257}}^1\times {\mathrm{317}}^1$

素因数の和:590

約数の個数: 36

約数和(自身を含む): 41924484

約数和(自身を除く): 21068420

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 257, 317, 514, 634, 1028, 1268, 2056, 2536, 4112, 5072, 8224, 10144, 16448, 20288, 32896, 40576, 65792, 81152, 81469, 162938, 325876, 651752, 1303504, 2607008, 5214016, 10428032, 20856064]

約数ペア:

[(1, 20856064), (2, 10428032), (4, 5214016), (8, 2607008), (16, 1303504), (32, 651752), (64, 325876), (128, 162938), (256, 81469), (257, 81152), (317, 65792), (514, 40576), (634, 32896), (1028, 20288), (1268, 16448), (2056, 10144), (2536, 8224), (4112, 5072)]