20349561

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{13759}}^1$

素因数の和:13808

約数の個数: 16

約数和(自身を含む): 29721600

約数和(自身を除く): 9372039

約数列:

[1, 3, 17, 29, 51, 87, 493, 1479, 13759, 41277, 233903, 399011, 701709, 1197033, 6783187, 20349561]

約数ペア:

[(1, 20349561), (3, 6783187), (17, 1197033), (29, 701709), (51, 399011), (87, 233903), (493, 41277), (1479, 13759)]