20804144

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{56533}}^1$

素因数の和:56564

約数の個数: 20

約数和(自身を含む): 42061296

約数和(自身を除く): 21257152

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 56533, 113066, 226132, 452264, 904528, 1300259, 2600518, 5201036, 10402072, 20804144]

約数ペア:

[(1, 20804144), (2, 10402072), (4, 5201036), (8, 2600518), (16, 1300259), (23, 904528), (46, 452264), (92, 226132), (184, 113066), (368, 56533)]