20278594

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{887}}^1$

素因数の和:990

約数の個数: 32

約数和(自身を含む): 36827136

約数和(自身を除く): 16548542

約数列:

[1, 2, 7, 14, 23, 46, 71, 142, 161, 322, 497, 887, 994, 1633, 1774, 3266, 6209, 11431, 12418, 20401, 22862, 40802, 62977, 125954, 142807, 285614, 440839, 881678, 1448471, 2896942, 10139297, 20278594]

約数ペア:

[(1, 20278594), (2, 10139297), (7, 2896942), (14, 1448471), (23, 881678), (46, 440839), (71, 285614), (142, 142807), (161, 125954), (322, 62977), (497, 40802), (887, 22862), (994, 20401), (1633, 12418), (1774, 11431), (3266, 6209)]