20864860984

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{1228501}}^1$

素因数の和:1228711

約数の個数: 32

約数和(自身を含む): 42899289840

約数和(自身を除く): 22034428856

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 193, 386, 772, 1544, 2123, 4246, 8492, 16984, 1228501, 2457002, 4914004, 9828008, 13513511, 27027022, 54054044, 108108088, 237100693, 474201386, 948402772, 1896805544, 2608107623, 5216215246, 10432430492, 20864860984]

約数ペア:

[(1, 20864860984), (2, 10432430492), (4, 5216215246), (8, 2608107623), (11, 1896805544), (22, 948402772), (44, 474201386), (88, 237100693), (193, 108108088), (386, 54054044), (772, 27027022), (1544, 13513511), (2123, 9828008), (4246, 4914004), (8492, 2457002), (16984, 1228501)]