20145707205

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1455089}}^1$

素因数の和:1455181

約数の個数: 32

約数和(自身を含む): 35201537280

約数和(自身を除く): 15055830075

約数列:

[1, 3, 5, 13, 15, 39, 65, 71, 195, 213, 355, 923, 1065, 2769, 4615, 13845, 1455089, 4365267, 7275445, 18916157, 21826335, 56748471, 94580785, 103311319, 283742355, 309933957, 516556595, 1343047147, 1549669785, 4029141441, 6715235735, 20145707205]

約数ペア:

[(1, 20145707205), (3, 6715235735), (5, 4029141441), (13, 1549669785), (15, 1343047147), (39, 516556595), (65, 309933957), (71, 283742355), (195, 103311319), (213, 94580785), (355, 56748471), (923, 21826335), (1065, 18916157), (2769, 7275445), (4615, 4365267), (13845, 1455089)]