20527904

素因数分解:

$2^5\times {\mathrm{19}}^2\times {\mathrm{1777}}^1$

素因数の和:1825

約数の個数: 36

約数和(自身を含む): 42677334

約数和(自身を除く): 22149430

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 361, 608, 722, 1444, 1777, 2888, 3554, 5776, 7108, 11552, 14216, 28432, 33763, 56864, 67526, 135052, 270104, 540208, 641497, 1080416, 1282994, 2565988, 5131976, 10263952, 20527904]

約数ペア:

[(1, 20527904), (2, 10263952), (4, 5131976), (8, 2565988), (16, 1282994), (19, 1080416), (32, 641497), (38, 540208), (76, 270104), (152, 135052), (304, 67526), (361, 56864), (608, 33763), (722, 28432), (1444, 14216), (1777, 11552), (2888, 7108), (3554, 5776)]