20711768

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{33623}}^1$

素因数の和:33647

約数の個数: 32

約数和(自身を含む): 48418560

約数和(自身を除く): 27706792

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 33623, 67246, 134492, 235361, 268984, 369853, 470722, 739706, 941444, 1479412, 1882888, 2588971, 2958824, 5177942, 10355884, 20711768]

約数ペア:

[(1, 20711768), (2, 10355884), (4, 5177942), (7, 2958824), (8, 2588971), (11, 1882888), (14, 1479412), (22, 941444), (28, 739706), (44, 470722), (56, 369853), (77, 268984), (88, 235361), (154, 134492), (308, 67246), (616, 33623)]