20940832

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1451}}^1$

素因数の和:1513

約数の個数: 48

約数和(自身を含む): 46103904

約数和(自身を除く): 25163072

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 41, 44, 82, 88, 164, 176, 328, 352, 451, 656, 902, 1312, 1451, 1804, 2902, 3608, 5804, 7216, 11608, 14432, 15961, 23216, 31922, 46432, 59491, 63844, 118982, 127688, 237964, 255376, 475928, 510752, 654401, 951856, 1308802, 1903712, 2617604, 5235208, 10470416, 20940832]

約数ペア:

[(1, 20940832), (2, 10470416), (4, 5235208), (8, 2617604), (11, 1903712), (16, 1308802), (22, 951856), (32, 654401), (41, 510752), (44, 475928), (82, 255376), (88, 237964), (164, 127688), (176, 118982), (328, 63844), (352, 59491), (451, 46432), (656, 31922), (902, 23216), (1312, 15961), (1451, 14432), (1804, 11608), (2902, 7216), (3608, 5804)]