20507792

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{27271}}^1$

素因数の和:27326

約数の個数: 20

約数和(自身を含む): 40580736

約数和(自身を除く): 20072944

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 27271, 54542, 109084, 218168, 436336, 1281737, 2563474, 5126948, 10253896, 20507792]

約数ペア:

[(1, 20507792), (2, 10253896), (4, 5126948), (8, 2563474), (16, 1281737), (47, 436336), (94, 218168), (188, 109084), (376, 54542), (752, 27271)]