20175086321

素因数分解:

${\mathrm{13}}^2\times {\mathrm{1607}}^1\times {\mathrm{74287}}^1$

素因数の和:75920

約数の個数: 12

約数和(自身を含む): 21860284032

約数和(自身を除く): 1685197711

約数列:

[1, 13, 169, 1607, 20891, 74287, 271583, 965731, 12554503, 119379209, 1551929717, 20175086321]

約数ペア:

[(1, 20175086321), (13, 1551929717), (169, 119379209), (1607, 12554503), (20891, 965731), (74287, 271583)]