20658442

素因数分解:

$2^1\times 7^1\times {\mathrm{1129}}^1\times {\mathrm{1307}}^1$

素因数の和:2445

約数の個数: 16

約数和(自身を含む): 35472960

約数和(自身を除く): 14814518

約数列:

[1, 2, 7, 14, 1129, 1307, 2258, 2614, 7903, 9149, 15806, 18298, 1475603, 2951206, 10329221, 20658442]

約数ペア:

[(1, 20658442), (2, 10329221), (7, 2951206), (14, 1475603), (1129, 18298), (1307, 15806), (2258, 9149), (2614, 7903)]