20804085

素因数分解:

$3^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1669}}^1$

素因数の和:1957

約数の個数: 24

約数和(自身を含む): 36212280

約数和(自身を除く): 15408195

約数列:

[1, 3, 5, 9, 15, 45, 277, 831, 1385, 1669, 2493, 4155, 5007, 8345, 12465, 15021, 25035, 75105, 462313, 1386939, 2311565, 4160817, 6934695, 20804085]

約数ペア:

[(1, 20804085), (3, 6934695), (5, 4160817), (9, 2311565), (15, 1386939), (45, 462313), (277, 75105), (831, 25035), (1385, 15021), (1669, 12465), (2493, 8345), (4155, 5007)]