20047983

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1\times {\mathrm{691}}^1$

素因数の和:1222

約数の個数: 16

約数和(自身を含む): 28233600

約数和(自身を除く): 8185617

約数列:

[1, 3, 19, 57, 509, 691, 1527, 2073, 9671, 13129, 29013, 39387, 351719, 1055157, 6682661, 20047983]

約数ペア:

[(1, 20047983), (3, 6682661), (19, 1055157), (57, 351719), (509, 39387), (691, 29013), (1527, 13129), (2073, 9671)]