20093381

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{3389}}^1$

素因数の和:3425

約数の個数: 18

約数和(自身を含む): 25699590

約数和(自身を除く): 5606209

約数列:

[1, 7, 11, 49, 77, 121, 539, 847, 3389, 5929, 23723, 37279, 166061, 260953, 410069, 1826671, 2870483, 20093381]

約数ペア:

[(1, 20093381), (7, 2870483), (11, 1826671), (49, 410069), (77, 260953), (121, 166061), (539, 37279), (847, 23723), (3389, 5929)]