20580864

素因数分解:

$2^9\times 3^1\times {\mathrm{13399}}^1$

素因数の和:13420

約数の個数: 40

約数和(自身を含む): 54832800

約数和(自身を除く): 34251936

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1536, 13399, 26798, 40197, 53596, 80394, 107192, 160788, 214384, 321576, 428768, 643152, 857536, 1286304, 1715072, 2572608, 3430144, 5145216, 6860288, 10290432, 20580864]

約数ペア:

[(1, 20580864), (2, 10290432), (3, 6860288), (4, 5145216), (6, 3430144), (8, 2572608), (12, 1715072), (16, 1286304), (24, 857536), (32, 643152), (48, 428768), (64, 321576), (96, 214384), (128, 160788), (192, 107192), (256, 80394), (384, 53596), (512, 40197), (768, 26798), (1536, 13399)]