20179663

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2531}}^1$

素因数の和:2622

約数の個数: 16

約数和(自身を含む): 24793344

約数和(自身を除く): 4613681

約数列:

[1, 7, 17, 67, 119, 469, 1139, 2531, 7973, 17717, 43027, 169577, 301189, 1187039, 2882809, 20179663]

約数ペア:

[(1, 20179663), (7, 2882809), (17, 1187039), (67, 301189), (119, 169577), (469, 43027), (1139, 17717), (2531, 7973)]