20648864

素因数分解:

$2^5\times {\mathrm{67}}^1\times {\mathrm{9631}}^1$

素因数の和:9708

約数の個数: 24

約数和(自身を含む): 41263488

約数和(自身を除く): 20614624

約数列:

[1, 2, 4, 8, 16, 32, 67, 134, 268, 536, 1072, 2144, 9631, 19262, 38524, 77048, 154096, 308192, 645277, 1290554, 2581108, 5162216, 10324432, 20648864]

約数ペア:

[(1, 20648864), (2, 10324432), (4, 5162216), (8, 2581108), (16, 1290554), (32, 645277), (67, 308192), (134, 154096), (268, 77048), (536, 38524), (1072, 19262), (2144, 9631)]