20493248

素因数分解:

$2^6\times {\mathrm{19}}^2\times {\mathrm{887}}^1$

素因数の和:937

約数の個数: 42

約数和(自身を含む): 42967656

約数和(自身を除く): 22474408

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 361, 608, 722, 887, 1216, 1444, 1774, 2888, 3548, 5776, 7096, 11552, 14192, 16853, 23104, 28384, 33706, 56768, 67412, 134824, 269648, 320207, 539296, 640414, 1078592, 1280828, 2561656, 5123312, 10246624, 20493248]

約数ペア:

[(1, 20493248), (2, 10246624), (4, 5123312), (8, 2561656), (16, 1280828), (19, 1078592), (32, 640414), (38, 539296), (64, 320207), (76, 269648), (152, 134824), (304, 67412), (361, 56768), (608, 33706), (722, 28384), (887, 23104), (1216, 16853), (1444, 14192), (1774, 11552), (2888, 7096), (3548, 5776)]