20616500

素因数分解:

$2^2\times 5^3\times {\mathrm{41233}}^1$

素因数の和:41252

約数の個数: 24

約数和(自身を含む): 45027528

約数和(自身を除く): 24411028

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 41233, 82466, 164932, 206165, 412330, 824660, 1030825, 2061650, 4123300, 5154125, 10308250, 20616500]

約数ペア:

[(1, 20616500), (2, 10308250), (4, 5154125), (5, 4123300), (10, 2061650), (20, 1030825), (25, 824660), (50, 412330), (100, 206165), (125, 164932), (250, 82466), (500, 41233)]