20997103688

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{1151}}^1\times {\mathrm{207301}}^1$

素因数の和:208469

約数の個数: 32

約数和(自身を含む): 42986142720

約数和(自身を除く): 21989039032

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 1151, 2302, 4604, 9208, 12661, 25322, 50644, 101288, 207301, 414602, 829204, 1658408, 2280311, 4560622, 9121244, 18242488, 238603451, 477206902, 954413804, 1908827608, 2624637961, 5249275922, 10498551844, 20997103688]

約数ペア:

[(1, 20997103688), (2, 10498551844), (4, 5249275922), (8, 2624637961), (11, 1908827608), (22, 954413804), (44, 477206902), (88, 238603451), (1151, 18242488), (2302, 9121244), (4604, 4560622), (9208, 2280311), (12661, 1658408), (25322, 829204), (50644, 414602), (101288, 207301)]