20577104

素因数分解:

$2^4\times {\mathrm{317}}^1\times {\mathrm{4057}}^1$

素因数の和:4382

約数の個数: 20

約数和(自身を含む): 40003764

約数和(自身を除く): 19426660

約数列:

[1, 2, 4, 8, 16, 317, 634, 1268, 2536, 4057, 5072, 8114, 16228, 32456, 64912, 1286069, 2572138, 5144276, 10288552, 20577104]

約数ペア:

[(1, 20577104), (2, 10288552), (4, 5144276), (8, 2572138), (16, 1286069), (317, 64912), (634, 32456), (1268, 16228), (2536, 8114), (4057, 5072)]