20285816

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2689}}^1$

素因数の和:2759

約数の個数: 32

約数和(自身を含む): 40672800

約数和(自身を除く): 20386984

約数列:

[1, 2, 4, 8, 23, 41, 46, 82, 92, 164, 184, 328, 943, 1886, 2689, 3772, 5378, 7544, 10756, 21512, 61847, 110249, 123694, 220498, 247388, 440996, 494776, 881992, 2535727, 5071454, 10142908, 20285816]

約数ペア:

[(1, 20285816), (2, 10142908), (4, 5071454), (8, 2535727), (23, 881992), (41, 494776), (46, 440996), (82, 247388), (92, 220498), (164, 123694), (184, 110249), (328, 61847), (943, 21512), (1886, 10756), (2689, 7544), (3772, 5378)]