20160783765

素因数分解:

$3^4\times 5^1\times {\mathrm{49779713}}^1$

素因数の和:49779730

約数の個数: 20

約数和(自身を含む): 36140072364

約数和(自身を除く): 15979288599

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 49779713, 149339139, 248898565, 448017417, 746695695, 1344052251, 2240087085, 4032156753, 6720261255, 20160783765]

約数ペア:

[(1, 20160783765), (3, 6720261255), (5, 4032156753), (9, 2240087085), (15, 1344052251), (27, 746695695), (45, 448017417), (81, 248898565), (135, 149339139), (405, 49779713)]