20710558

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{13259}}^1$

素因数の和:13343

約数の個数: 16

約数和(自身を含む): 34369920

約数和(自身を除く): 13659362

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 13259, 26518, 145849, 291698, 941389, 1882778, 10355279, 20710558]

約数ペア:

[(1, 20710558), (2, 10355279), (11, 1882778), (22, 941389), (71, 291698), (142, 145849), (781, 26518), (1562, 13259)]