20578492

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{7927}}^1$

素因数の和:8001

約数の個数: 24

約数和(自身を含む): 39957120

約数和(自身を除く): 19378628

約数列:

[1, 2, 4, 11, 22, 44, 59, 118, 236, 649, 1298, 2596, 7927, 15854, 31708, 87197, 174394, 348788, 467693, 935386, 1870772, 5144623, 10289246, 20578492]

約数ペア:

[(1, 20578492), (2, 10289246), (4, 5144623), (11, 1870772), (22, 935386), (44, 467693), (59, 348788), (118, 174394), (236, 87197), (649, 31708), (1298, 15854), (2596, 7927)]