20490894

素因数分解:

$2^1\times 3^4\times {\mathrm{126487}}^1$

素因数の和:126501

約数の個数: 20

約数和(自身を含む): 45915144

約数和(自身を除く): 25424250

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 126487, 252974, 379461, 758922, 1138383, 2276766, 3415149, 6830298, 10245447, 20490894]

約数ペア:

[(1, 20490894), (2, 10245447), (3, 6830298), (6, 3415149), (9, 2276766), (18, 1138383), (27, 758922), (54, 379461), (81, 252974), (162, 126487)]