20548144

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{15473}}^1$

素因数の和:15564

約数の個数: 20

約数和(自身を含む): 40294296

約数和(自身を除く): 19746152

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 15473, 30946, 61892, 123784, 247568, 1284259, 2568518, 5137036, 10274072, 20548144]

約数ペア:

[(1, 20548144), (2, 10274072), (4, 5137036), (8, 2568518), (16, 1284259), (83, 247568), (166, 123784), (332, 61892), (664, 30946), (1328, 15473)]