20506984

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1889}}^1$

素因数の和:1977

約数の個数: 32

約数和(自身を含む): 40824000

約数和(自身を除く): 20317016

約数列:

[1, 2, 4, 8, 23, 46, 59, 92, 118, 184, 236, 472, 1357, 1889, 2714, 3778, 5428, 7556, 10856, 15112, 43447, 86894, 111451, 173788, 222902, 347576, 445804, 891608, 2563373, 5126746, 10253492, 20506984]

約数ペア:

[(1, 20506984), (2, 10253492), (4, 5126746), (8, 2563373), (23, 891608), (46, 445804), (59, 347576), (92, 222902), (118, 173788), (184, 111451), (236, 86894), (472, 43447), (1357, 15112), (1889, 10856), (2714, 7556), (3778, 5428)]