22120085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{17911}}^1$

素因数の和:17948

約数の個数: 16

約数和(自身を含む): 30092160

約数和(自身を除く): 7972075

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 17911, 89555, 232843, 340309, 1164215, 1701545, 4424017, 22120085]

約数ペア:

[(1, 22120085), (5, 4424017), (13, 1701545), (19, 1164215), (65, 340309), (95, 232843), (247, 89555), (1235, 17911)]