20297662

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1$

素因数の和:1037

約数の個数: 48

約数和(自身を含む): 40711680

約数和(自身を除く): 20414018

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 49, 77, 98, 133, 154, 209, 266, 418, 539, 931, 991, 1078, 1463, 1862, 1982, 2926, 6937, 10241, 10901, 13874, 18829, 20482, 21802, 37658, 48559, 76307, 97118, 131803, 152614, 207119, 263606, 414238, 534149, 922621, 1068298, 1449833, 1845242, 2899666, 10148831, 20297662]

約数ペア:

[(1, 20297662), (2, 10148831), (7, 2899666), (11, 1845242), (14, 1449833), (19, 1068298), (22, 922621), (38, 534149), (49, 414238), (77, 263606), (98, 207119), (133, 152614), (154, 131803), (209, 97118), (266, 76307), (418, 48559), (539, 37658), (931, 21802), (991, 20482), (1078, 18829), (1463, 13874), (1862, 10901), (1982, 10241), (2926, 6937)]