20538483

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{20809}}^1$

素因数の和:20866

約数の個数: 16

約数和(自身を含む): 31964160

約数和(自身を除く): 11425677

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 20809, 62427, 145663, 436989, 978023, 2934069, 6846161, 20538483]

約数ペア:

[(1, 20538483), (3, 6846161), (7, 2934069), (21, 978023), (47, 436989), (141, 145663), (329, 62427), (987, 20809)]