20709224

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{35461}}^1$

素因数の和:35540

約数の個数: 16

約数和(自身を含む): 39362820

約数和(自身を除く): 18653596

約数列:

[1, 2, 4, 8, 73, 146, 292, 584, 35461, 70922, 141844, 283688, 2588653, 5177306, 10354612, 20709224]

約数ペア:

[(1, 20709224), (2, 10354612), (4, 5177306), (8, 2588653), (73, 283688), (146, 141844), (292, 70922), (584, 35461)]