20899696076

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{39285143}}^1$

素因数の和:39285173

約数の個数: 24

約数和(自身を含む): 43999361280

約数和(自身を除く): 23099665204

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 39285143, 78570286, 157140572, 274996001, 549992002, 746417717, 1099984004, 1492835434, 2985670868, 5224924019, 10449848038, 20899696076]

約数ペア:

[(1, 20899696076), (2, 10449848038), (4, 5224924019), (7, 2985670868), (14, 1492835434), (19, 1099984004), (28, 746417717), (38, 549992002), (76, 274996001), (133, 157140572), (266, 78570286), (532, 39285143)]