20305191

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{13729}}^1$

素因数の和:13778

約数の個数: 16

約数和(自身を含む): 29656800

約数和(自身を除く): 9351609

約数列:

[1, 3, 17, 29, 51, 87, 493, 1479, 13729, 41187, 233393, 398141, 700179, 1194423, 6768397, 20305191]

約数ペア:

[(1, 20305191), (3, 6768397), (17, 1194423), (29, 700179), (51, 398141), (87, 233393), (493, 41187), (1479, 13729)]