20886470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{189877}}^1$

素因数の和:189895

約数の個数: 16

約数和(自身を含む): 41013648

約数和(自身を除く): 20127178

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 189877, 379754, 949385, 1898770, 2088647, 4177294, 10443235, 20886470]

約数ペア:

[(1, 20886470), (2, 10443235), (5, 4177294), (10, 2088647), (11, 1898770), (22, 949385), (55, 379754), (110, 189877)]