20320408

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{110437}}^1$

素因数の和:110466

約数の個数: 16

約数和(自身を含む): 39757680

約数和(自身を除く): 19437272

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 110437, 220874, 441748, 883496, 2540051, 5080102, 10160204, 20320408]

約数ペア:

[(1, 20320408), (2, 10160204), (4, 5080102), (8, 2540051), (23, 883496), (46, 441748), (92, 220874), (184, 110437)]