20029989

素因数分解:

$3^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{2069}}^1$

素因数の和:2540

約数の個数: 16

約数和(自身を含む): 30602880

約数和(自身を除く): 10572891

約数列:

[1, 3, 7, 21, 461, 1383, 2069, 3227, 6207, 9681, 14483, 43449, 953809, 2861427, 6676663, 20029989]

約数ペア:

[(1, 20029989), (3, 6676663), (7, 2861427), (21, 953809), (461, 43449), (1383, 14483), (2069, 9681), (3227, 6207)]