20905400

素因数分解:

$2^3\times 5^2\times {\mathrm{104527}}^1$

素因数の和:104543

約数の個数: 24

約数和(自身を含む): 48605520

約数和(自身を除く): 27700120

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 104527, 209054, 418108, 522635, 836216, 1045270, 2090540, 2613175, 4181080, 5226350, 10452700, 20905400]

約数ペア:

[(1, 20905400), (2, 10452700), (4, 5226350), (5, 4181080), (8, 2613175), (10, 2090540), (20, 1045270), (25, 836216), (40, 522635), (50, 418108), (100, 209054), (200, 104527)]