20214887

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{15443}}^1$

素因数の和:15478

約数の個数: 16

約数和(自身を含む): 26687232

約数和(自身を除く): 6472345

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 15443, 108101, 169873, 262531, 1189111, 1837717, 2887841, 20214887]

約数ペア:

[(1, 20214887), (7, 2887841), (11, 1837717), (17, 1189111), (77, 262531), (119, 169873), (187, 108101), (1309, 15443)]