20578204

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{859}}^1$

素因数の和:1029

約数の個数: 24

約数和(自身を含む): 37059120

約数和(自身を除く): 16480916

約数列:

[1, 2, 4, 53, 106, 113, 212, 226, 452, 859, 1718, 3436, 5989, 11978, 23956, 45527, 91054, 97067, 182108, 194134, 388268, 5144551, 10289102, 20578204]

約数ペア:

[(1, 20578204), (2, 10289102), (4, 5144551), (53, 388268), (106, 194134), (113, 182108), (212, 97067), (226, 91054), (452, 45527), (859, 23956), (1718, 11978), (3436, 5989)]