20881696

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{5393}}^1$

素因数の和:5425

約数の個数: 36

約数和(自身を含む): 45196326

約数和(自身を除く): 24314630

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 121, 176, 242, 352, 484, 968, 1936, 3872, 5393, 10786, 21572, 43144, 59323, 86288, 118646, 172576, 237292, 474584, 652553, 949168, 1305106, 1898336, 2610212, 5220424, 10440848, 20881696]

約数ペア:

[(1, 20881696), (2, 10440848), (4, 5220424), (8, 2610212), (11, 1898336), (16, 1305106), (22, 949168), (32, 652553), (44, 474584), (88, 237292), (121, 172576), (176, 118646), (242, 86288), (352, 59323), (484, 43144), (968, 21572), (1936, 10786), (3872, 5393)]