20052938108

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{51203}}^1$

素因数の和:51482

約数の個数: 48

約数和(自身を含む): 40877996544

約数和(自身を除く): 20825058436

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 197, 284, 394, 497, 788, 994, 1379, 1988, 2758, 5516, 13987, 27974, 51203, 55948, 97909, 102406, 195818, 204812, 358421, 391636, 716842, 1433684, 3635413, 7270826, 10086991, 14541652, 20173982, 25447891, 40347964, 50895782, 70608937, 101791564, 141217874, 282435748, 716176361, 1432352722, 2864705444, 5013234527, 10026469054, 20052938108]

約数ペア:

[(1, 20052938108), (2, 10026469054), (4, 5013234527), (7, 2864705444), (14, 1432352722), (28, 716176361), (71, 282435748), (142, 141217874), (197, 101791564), (284, 70608937), (394, 50895782), (497, 40347964), (788, 25447891), (994, 20173982), (1379, 14541652), (1988, 10086991), (2758, 7270826), (5516, 3635413), (13987, 1433684), (27974, 716842), (51203, 391636), (55948, 358421), (97909, 204812), (102406, 195818)]