20560144

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{116819}}^1$

素因数の和:116838

約数の個数: 20

約数和(自身を含む): 43457040

約数和(自身を除く): 22896896

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 116819, 233638, 467276, 934552, 1285009, 1869104, 2570018, 5140036, 10280072, 20560144]

約数ペア:

[(1, 20560144), (2, 10280072), (4, 5140036), (8, 2570018), (11, 1869104), (16, 1285009), (22, 934552), (44, 467276), (88, 233638), (176, 116819)]