20486556

素因数分解:

$2^2\times 3^2\times {\mathrm{569071}}^1$

素因数の和:569081

約数の個数: 18

約数和(自身を含む): 51785552

約数和(自身を除く): 31298996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 569071, 1138142, 1707213, 2276284, 3414426, 5121639, 6828852, 10243278, 20486556]

約数ペア:

[(1, 20486556), (2, 10243278), (3, 6828852), (4, 5121639), (6, 3414426), (9, 2276284), (12, 1707213), (18, 1138142), (36, 569071)]