20620216

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{317}}^1$

素因数の和:543

約数の個数: 32

約数和(自身を含む): 39839040

約数和(自身を除く): 19218824

約数列:

[1, 2, 4, 8, 47, 94, 173, 188, 317, 346, 376, 634, 692, 1268, 1384, 2536, 8131, 14899, 16262, 29798, 32524, 54841, 59596, 65048, 109682, 119192, 219364, 438728, 2577527, 5155054, 10310108, 20620216]

約数ペア:

[(1, 20620216), (2, 10310108), (4, 5155054), (8, 2577527), (47, 438728), (94, 219364), (173, 119192), (188, 109682), (317, 65048), (346, 59596), (376, 54841), (634, 32524), (692, 29798), (1268, 16262), (1384, 14899), (2536, 8131)]