20889219

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{1237}}^1$

素因数の和:1686

約数の個数: 16

約数和(自身を含む): 30088352

約数和(自身を除く): 9199133

約数列:

[1, 3, 13, 39, 433, 1237, 1299, 3711, 5629, 16081, 16887, 48243, 535621, 1606863, 6963073, 20889219]

約数ペア:

[(1, 20889219), (3, 6963073), (13, 1606863), (39, 535621), (433, 48243), (1237, 16887), (1299, 16081), (3711, 5629)]