20964864

素因数分解:

$2^9\times 3^1\times {\mathrm{13649}}^1$

素因数の和:13670

約数の個数: 40

約数和(自身を含む): 55855800

約数和(自身を除く): 34890936

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1536, 13649, 27298, 40947, 54596, 81894, 109192, 163788, 218384, 327576, 436768, 655152, 873536, 1310304, 1747072, 2620608, 3494144, 5241216, 6988288, 10482432, 20964864]

約数ペア:

[(1, 20964864), (2, 10482432), (3, 6988288), (4, 5241216), (6, 3494144), (8, 2620608), (12, 1747072), (16, 1310304), (24, 873536), (32, 655152), (48, 436768), (64, 327576), (96, 218384), (128, 163788), (192, 109192), (256, 81894), (384, 54596), (512, 40947), (768, 27298), (1536, 13649)]