20207796490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{564937}}^1$

素因数の和:565031

約数の個数: 48

約数和(自身を含む): 42892352712

約数和(自身を除く): 22684556222

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 73, 98, 146, 245, 365, 490, 511, 730, 1022, 2555, 3577, 5110, 7154, 17885, 35770, 564937, 1129874, 2824685, 3954559, 5649370, 7909118, 19772795, 27681913, 39545590, 41240401, 55363826, 82480802, 138409565, 206202005, 276819130, 288682807, 412404010, 577365614, 1443414035, 2020779649, 2886828070, 4041559298, 10103898245, 20207796490]

約数ペア:

[(1, 20207796490), (2, 10103898245), (5, 4041559298), (7, 2886828070), (10, 2020779649), (14, 1443414035), (35, 577365614), (49, 412404010), (70, 288682807), (73, 276819130), (98, 206202005), (146, 138409565), (245, 82480802), (365, 55363826), (490, 41240401), (511, 39545590), (730, 27681913), (1022, 19772795), (2555, 7909118), (3577, 5649370), (5110, 3954559), (7154, 2824685), (17885, 1129874), (35770, 564937)]