20157148

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{41647}}^1$

素因数の和:41673

約数の個数: 18

約数和(自身を含む): 38774288

約数和(自身を除く): 18617140

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 41647, 83294, 166588, 458117, 916234, 1832468, 5039287, 10078574, 20157148]

約数ペア:

[(1, 20157148), (2, 10078574), (4, 5039287), (11, 1832468), (22, 916234), (44, 458117), (121, 166588), (242, 83294), (484, 41647)]