20850776

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{42727}}^1$

素因数の和:42794

約数の個数: 16

約数和(自身を含む): 39737040

約数和(自身を除く): 18886264

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 42727, 85454, 170908, 341816, 2606347, 5212694, 10425388, 20850776]

約数ペア:

[(1, 20850776), (2, 10425388), (4, 5212694), (8, 2606347), (61, 341816), (122, 170908), (244, 85454), (488, 42727)]