20078553

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{3517}}^1$

素因数の和:3704

約数の個数: 16

約数和(自身を含む): 29382336

約数和(自身を除く): 9303783

約数列:

[1, 3, 11, 33, 173, 519, 1903, 3517, 5709, 10551, 38687, 116061, 608441, 1825323, 6692851, 20078553]

約数ペア:

[(1, 20078553), (3, 6692851), (11, 1825323), (33, 608441), (173, 116061), (519, 38687), (1903, 10551), (3517, 5709)]