20816196

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{379}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 51072000

約数和(自身を除く): 30255804

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 199, 276, 379, 398, 597, 758, 796, 1137, 1194, 1516, 2274, 2388, 4548, 4577, 8717, 9154, 13731, 17434, 18308, 26151, 27462, 34868, 52302, 54924, 75421, 104604, 150842, 226263, 301684, 452526, 905052, 1734683, 3469366, 5204049, 6938732, 10408098, 20816196]

約数ペア:

[(1, 20816196), (2, 10408098), (3, 6938732), (4, 5204049), (6, 3469366), (12, 1734683), (23, 905052), (46, 452526), (69, 301684), (92, 226263), (138, 150842), (199, 104604), (276, 75421), (379, 54924), (398, 52302), (597, 34868), (758, 27462), (796, 26151), (1137, 18308), (1194, 17434), (1516, 13731), (2274, 9154), (2388, 8717), (4548, 4577)]