20571254

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{12809}}^1$

素因数の和:12895

約数の個数: 16

約数和(自身を含む): 34125840

約数和(自身を除く): 13554586

約数列:

[1, 2, 11, 22, 73, 146, 803, 1606, 12809, 25618, 140899, 281798, 935057, 1870114, 10285627, 20571254]

約数ペア:

[(1, 20571254), (2, 10285627), (11, 1870114), (22, 935057), (73, 281798), (146, 140899), (803, 25618), (1606, 12809)]