20180069

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2153}}^1$

素因数の和:2276

約数の個数: 16

約数和(自身を含む): 25089792

約数和(自身を除く): 4909723

約数列:

[1, 7, 13, 91, 103, 721, 1339, 2153, 9373, 15071, 27989, 195923, 221759, 1552313, 2882867, 20180069]

約数ペア:

[(1, 20180069), (7, 2882867), (13, 1552313), (91, 221759), (103, 195923), (721, 27989), (1339, 15071), (2153, 9373)]