20155949

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{991}}^1$

素因数の和:1088

約数の個数: 12

約数和(自身を含む): 22534272

約数和(自身を除く): 2378323

約数列:

[1, 11, 43, 473, 991, 1849, 10901, 20339, 42613, 468743, 1832359, 20155949]

約数ペア:

[(1, 20155949), (11, 1832359), (43, 468743), (473, 42613), (991, 20339), (1849, 10901)]