20711168

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{4759}}^1$

素因数の和:4792

約数の個数: 36

約数和(自身を含む): 43782480

約数和(自身を除く): 23071312

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 544, 1088, 2176, 4352, 4759, 9518, 19036, 38072, 76144, 80903, 152288, 161806, 304576, 323612, 609152, 647224, 1218304, 1294448, 2588896, 5177792, 10355584, 20711168]

約数ペア:

[(1, 20711168), (2, 10355584), (4, 5177792), (8, 2588896), (16, 1294448), (17, 1218304), (32, 647224), (34, 609152), (64, 323612), (68, 304576), (128, 161806), (136, 152288), (256, 80903), (272, 76144), (544, 38072), (1088, 19036), (2176, 9518), (4352, 4759)]