20835312

素因数分解:

$2^4\times 3^1\times {\mathrm{163}}^1\times {\mathrm{2663}}^1$

素因数の和:2837

約数の個数: 40

約数和(自身を含む): 54175104

約数和(自身を除く): 33339792

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 163, 326, 489, 652, 978, 1304, 1956, 2608, 2663, 3912, 5326, 7824, 7989, 10652, 15978, 21304, 31956, 42608, 63912, 127824, 434069, 868138, 1302207, 1736276, 2604414, 3472552, 5208828, 6945104, 10417656, 20835312]

約数ペア:

[(1, 20835312), (2, 10417656), (3, 6945104), (4, 5208828), (6, 3472552), (8, 2604414), (12, 1736276), (16, 1302207), (24, 868138), (48, 434069), (163, 127824), (326, 63912), (489, 42608), (652, 31956), (978, 21304), (1304, 15978), (1956, 10652), (2608, 7989), (2663, 7824), (3912, 5326)]