20801726

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{2069}}^1$

素因数の和:2539

約数の個数: 16

約数和(自身を含む): 34130160

約数和(自身を除く): 13328434

約数列:

[1, 2, 11, 22, 457, 914, 2069, 4138, 5027, 10054, 22759, 45518, 945533, 1891066, 10400863, 20801726]

約数ペア:

[(1, 20801726), (2, 10400863), (11, 1891066), (22, 945533), (457, 45518), (914, 22759), (2069, 10054), (4138, 5027)]