20457681

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{367}}^1\times {\mathrm{1093}}^1$

素因数の和:1480

約数の個数: 16

約数和(自身を含む): 28986624

約数和(自身を除く): 8528943

約数列:

[1, 3, 17, 51, 367, 1093, 1101, 3279, 6239, 18581, 18717, 55743, 401131, 1203393, 6819227, 20457681]

約数ペア:

[(1, 20457681), (3, 6819227), (17, 1203393), (51, 401131), (367, 55743), (1093, 18717), (1101, 18581), (3279, 6239)]