20803528

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{25247}}^1$

素因数の和:25356

約数の個数: 16

約数和(自身を含む): 39386880

約数和(自身を除く): 18583352

約数列:

[1, 2, 4, 8, 103, 206, 412, 824, 25247, 50494, 100988, 201976, 2600441, 5200882, 10401764, 20803528]

約数ペア:

[(1, 20803528), (2, 10401764), (4, 5200882), (8, 2600441), (103, 201976), (206, 100988), (412, 50494), (824, 25247)]