20916051

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{1979}}^1$

素因数の和:2266

約数の個数: 16

約数和(自身を含む): 30159360

約数和(自身を除く): 9243309

約数列:

[1, 3, 13, 39, 271, 813, 1979, 3523, 5937, 10569, 25727, 77181, 536309, 1608927, 6972017, 20916051]

約数ペア:

[(1, 20916051), (3, 6972017), (13, 1608927), (39, 536309), (271, 77181), (813, 25727), (1979, 10569), (3523, 5937)]