20146688

素因数分解:

$2^9\times {\mathrm{19}}^2\times {\mathrm{109}}^1$

素因数の和:165

約数の個数: 60

約数和(自身を含む): 42873930

約数和(自身を除く): 22727242

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 109, 128, 152, 218, 256, 304, 361, 436, 512, 608, 722, 872, 1216, 1444, 1744, 2071, 2432, 2888, 3488, 4142, 4864, 5776, 6976, 8284, 9728, 11552, 13952, 16568, 23104, 27904, 33136, 39349, 46208, 55808, 66272, 78698, 92416, 132544, 157396, 184832, 265088, 314792, 530176, 629584, 1060352, 1259168, 2518336, 5036672, 10073344, 20146688]

約数ペア:

[(1, 20146688), (2, 10073344), (4, 5036672), (8, 2518336), (16, 1259168), (19, 1060352), (32, 629584), (38, 530176), (64, 314792), (76, 265088), (109, 184832), (128, 157396), (152, 132544), (218, 92416), (256, 78698), (304, 66272), (361, 55808), (436, 46208), (512, 39349), (608, 33136), (722, 27904), (872, 23104), (1216, 16568), (1444, 13952), (1744, 11552), (2071, 9728), (2432, 8284), (2888, 6976), (3488, 5776), (4142, 4864)]