20179904588

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1\times {\mathrm{8191}}^1$

素因数の和:8718

約数の個数: 48

約数和(自身を含む): 37544263680

約数和(自身を除く): 17364359092

約数列:

[1, 2, 4, 23, 46, 61, 92, 122, 244, 439, 878, 1403, 1756, 2806, 5612, 8191, 10097, 16382, 20194, 26779, 32764, 40388, 53558, 107116, 188393, 376786, 499651, 615917, 753572, 999302, 1231834, 1998604, 2463668, 3595849, 7191698, 11491973, 14383396, 22983946, 45967892, 82704527, 165409054, 219346789, 330818108, 438693578, 877387156, 5044976147, 10089952294, 20179904588]

約数ペア:

[(1, 20179904588), (2, 10089952294), (4, 5044976147), (23, 877387156), (46, 438693578), (61, 330818108), (92, 219346789), (122, 165409054), (244, 82704527), (439, 45967892), (878, 22983946), (1403, 14383396), (1756, 11491973), (2806, 7191698), (5612, 3595849), (8191, 2463668), (10097, 1998604), (16382, 1231834), (20194, 999302), (26779, 753572), (32764, 615917), (40388, 499651), (53558, 376786), (107116, 188393)]