20865400

素因数分解:

$2^3\times 5^2\times {\mathrm{104327}}^1$

素因数の和:104343

約数の個数: 24

約数和(自身を含む): 48512520

約数和(自身を除く): 27647120

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 104327, 208654, 417308, 521635, 834616, 1043270, 2086540, 2608175, 4173080, 5216350, 10432700, 20865400]

約数ペア:

[(1, 20865400), (2, 10432700), (4, 5216350), (5, 4173080), (8, 2608175), (10, 2086540), (20, 1043270), (25, 834616), (40, 521635), (50, 417308), (100, 208654), (200, 104327)]