20163026655

素因数分解:

$3^4\times 5^1\times {\mathrm{49785251}}^1$

素因数の和:49785268

約数の個数: 20

約数和(自身を含む): 36144092952

約数和(自身を除く): 15981066297

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 49785251, 149355753, 248926255, 448067259, 746778765, 1344201777, 2240336295, 4032605331, 6721008885, 20163026655]

約数ペア:

[(1, 20163026655), (3, 6721008885), (5, 4032605331), (9, 2240336295), (15, 1344201777), (27, 746778765), (45, 448067259), (81, 248926255), (135, 149355753), (405, 49785251)]