20126162864

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{397939}}^1$

素因数の和:398085

約数の個数: 40

約数和(自身を含む): 40709262000

約数和(自身を除く): 20583099136

約数列:

[1, 2, 4, 8, 16, 29, 58, 109, 116, 218, 232, 436, 464, 872, 1744, 3161, 6322, 12644, 25288, 50576, 397939, 795878, 1591756, 3183512, 6367024, 11540231, 23080462, 43375351, 46160924, 86750702, 92321848, 173501404, 184643696, 347002808, 694005616, 1257885179, 2515770358, 5031540716, 10063081432, 20126162864]

約数ペア:

[(1, 20126162864), (2, 10063081432), (4, 5031540716), (8, 2515770358), (16, 1257885179), (29, 694005616), (58, 347002808), (109, 184643696), (116, 173501404), (218, 92321848), (232, 86750702), (436, 46160924), (464, 43375351), (872, 23080462), (1744, 11540231), (3161, 6367024), (6322, 3183512), (12644, 1591756), (25288, 795878), (50576, 397939)]