20806168

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1549}}^1$

素因数の和:1651

約数の個数: 32

約数和(自身を含む): 41292000

約数和(自身を除く): 20485832

約数列:

[1, 2, 4, 8, 23, 46, 73, 92, 146, 184, 292, 584, 1549, 1679, 3098, 3358, 6196, 6716, 12392, 13432, 35627, 71254, 113077, 142508, 226154, 285016, 452308, 904616, 2600771, 5201542, 10403084, 20806168]

約数ペア:

[(1, 20806168), (2, 10403084), (4, 5201542), (8, 2600771), (23, 904616), (46, 452308), (73, 285016), (92, 226154), (146, 142508), (184, 113077), (292, 71254), (584, 35627), (1549, 13432), (1679, 12392), (3098, 6716), (3358, 6196)]