20719039

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1097}}^1$

素因数の和:1226

約数の個数: 16

約数和(自身を含む): 24191136

約数和(自身を除く): 3472097

約数列:

[1, 11, 17, 101, 187, 1097, 1111, 1717, 12067, 18649, 18887, 110797, 205139, 1218767, 1883549, 20719039]

約数ペア:

[(1, 20719039), (11, 1883549), (17, 1218767), (101, 205139), (187, 110797), (1097, 18887), (1111, 18649), (1717, 12067)]