20391734

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{8999}}^1$

素因数の和:9115

約数の個数: 16

約数和(自身を含む): 33696000

約数和(自身を除く): 13304266

約数列:

[1, 2, 11, 22, 103, 206, 1133, 2266, 8999, 17998, 98989, 197978, 926897, 1853794, 10195867, 20391734]

約数ペア:

[(1, 20391734), (2, 10195867), (11, 1853794), (22, 926897), (103, 197978), (206, 98989), (1133, 17998), (2266, 8999)]