20580608

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{4729}}^1$

素因数の和:4762

約数の個数: 36

約数和(自身を含む): 43506540

約数和(自身を除く): 22925932

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 544, 1088, 2176, 4352, 4729, 9458, 18916, 37832, 75664, 80393, 151328, 160786, 302656, 321572, 605312, 643144, 1210624, 1286288, 2572576, 5145152, 10290304, 20580608]

約数ペア:

[(1, 20580608), (2, 10290304), (4, 5145152), (8, 2572576), (16, 1286288), (17, 1210624), (32, 643144), (34, 605312), (64, 321572), (68, 302656), (128, 160786), (136, 151328), (256, 80393), (272, 75664), (544, 37832), (1088, 18916), (2176, 9458), (4352, 4729)]